----------------------------------------------------------------------------------------------------------------
                  All Passenger Cars, Multipurpose Passenger Vehicles (MPV), Trucks, and Buses
----------------------------------------------------------------------------------------------------------------
Lower Beam Headlamps...........  White, of a        On the front, at   Not less than 22   The wiring harness or
                                  headlighting       the same height,   inches (55.9 cm)   connector assembly of
                                  system listed in   symmetrically      nor more than 54   each headlighting
                                  Table II.          about the          inches (137.2      system must be
                                                     vertical           cm).               designed so that only
                                                     centerline, as                        those light sources
                                                     far apart as                          intended for meeting
                                                     practicable.                          lower beam
                                                                                photometrics are
                                                                                energized when the
                                                                                beam selector switch
                                                                                is in the lower beam
                                                                                position, and that
                                                                                only those light
                                                                                sources intended for
                                                                                meeting upper beam
                                                                                photometrics are
                                                                                energized when the
                                                                                beam selector switch
                                                                                is in the upper beam
                                                                                position, except for
                                                                                certain systems
                                                                                listed in Table II.
                                                                                Steady burning, except
                                                                                that may be flashed
                                                                                for signaling
                                                                                purposes.
Upper Beam Headlamps...........  White, of a        On the front, at   Not less than 22
                                  headlighting       the same height,   inches (55.9 cm)
                                  system listed in   symmetrically      nor more than 54
                                  Table II.          about the          inches (137.2
                                                     vertical           cm).
                                                     centerline, as
                                                     far apart as
                                                     practicable.

Turn Signal Lamps..............  2 Amber..........  At or near the     Not less than 15   Flash when the turn
                                                     front, at the      inches, nor more   signal flasher is
                                                     same height,       than 83 inches.    actuated by the turn
                                                     symmetrically                         signal operating
                                                     about the                             unit.
                                                     vertical
                                                     centerline, as
                                                     far apart as
                                                     practicable.
                                 2 Amber or red     On the rear, at
                                  Truck tractor      the same height,
                                  exception, see     symmetrically
                                  S<IP_ADDRESS>.          about the
                                                     vertical
                                                     centerline, as
                                                     far apart as
                                                     practicable.
Taillamps......................  2 Red............  On the rear, at    Not less than 15   Steady burning. Must
                                                     the same height,   inches, nor more   be activated when the
                                                     symmetrically      than 72 inches.    headlamps are
                                                     about the                             activated in a steady
                                                     vertical                              burning state or the
                                                     centerline, as                        parking lamps on
                                                     far apart as                          passenger cars and
                                                     practicable.                          MPVs, trucks, and
                                                                                buses less than 80
                                                                                inches in overall
                                                                                width are activated.
                                                                                May be activated when
                                                                                the headlamps are
                                                                                activated at less
                                                                                than full intensity
                                                                                as Daytime Running
                                                                                Lamps (DRL).
Stop Lamps.....................  2 Red............  On the rear, at    Not less than 15   Steady burning.
                                                     the same height,   inches, nor more  Must be activated upon
                                                     symmetrically      than 72 inches.    application of the
                                                     about the                             service brakes. When
                                                     vertical                              optically combined
                                                     centerline, as                        with a turn signal
                                                     far apart as                          lamp, the circuit
                                                     practicable.                          must be such that the
                                                                                stop signal cannot be
                                                                                activated if the turn
                                                                                signal lamp is
                                                                                flashing.
                                                                                May also be activated
                                                                                by a device designed
                                                                                to retard the motion
                                                                                of the vehicle.
Side Marker Lamps..............  2 Amber..........  On each side as    Not less than 15   Steady burning except
                                                     far to the front   inches.            may be flashed for
                                                     as practicable.                       signaling purposes.
                                                                                Must be activated
                                                                                when the headlamps
                                                                                are activated in a
                                                                                steady burning state
                                                                                or the parking lamps
                                                                                on passenger cars and
                                                                                MPVs, trucks, and
                                                                                buses less than 80
                                                                                inches in overall
                                                                                width are activated.
                                 2 Red (not         On each side as
                                  required on        far to the rear
                                  truck tractor).    as practicable.
Reflex Reflectors..............  2 Amber..........  On each side as    Not less than 15   Not applicable.
                                                     far to the front   inches, nor more
                                                     as practicable.    than 60 inches.
                                 2 Red (not         On each side as
                                  required on        far to the rear
                                  truck tractor)..   as practicable.
                                 2 Red............  On the rear, at
                                                     the same height,
                                                     symmetrically
                                                     about the
                                                     vertical
                                                     centerline, as
                                                     far apart as
                                                     practicable.
                                                    On a truck
                                                     tractor may be
                                                     mounted on the
                                                     back of the cab
                                                     not less than 4
                                                     inches above the
                                                     height of the
                                                     rear tires..
Backup Lamp....................  1 White            On the rear......  No requirement...  Steady burning.
                                  Additional lamps                                        Must be activated when
                                  permitted to                                             the ignition switch
                                  meet                                                     is energized and
                                  requirements.                                            reverse gear is
                                                                                engaged.
                                                                                Must not be energized
                                                                                when the vehicle is
                                                                                in forward motion.
License Plate Lamp.............  1 White            On the rear to     No requirement...  Steady burning.
                                  Additional lamps   illuminate                           Must be activated when
                                  permitted to       license plate                         the headlamps are
                                  meet               from top or                           activated in a steady
                                  requirements.      sides.                                burning state or when
                                                                                the parking lamps on
                                                                                passenger cars and
                                                                                MPVs, trucks, and
                                                                                buses less than 80
                                                                                inches in overall
                                                                                width are activated.
----------------------------------------------------------------------------------------------------------------

   Additional Lamps Required on All Passenger Cars, and on Multipurpose Passenger Vehicles (MPV), Trucks, and
                                    Buses, Less Than 2032 MM in Overall Width
----------------------------------------------------------------------------------------------------------------
Parking lamps..................  2 Amber or white.  On the front, at   Not less than 15   Steady burning.
                                                     the same height,   inches, nor more  Must be activated when
                                                     symmetrically      than 72 inches.    the headlamps are
                                                     about the                             activated in a steady
                                                     vertical                              burning state.
                                                     centerline, as
                                                     far apart as
                                                     practicable.
----------------------------------------------------------------------------------------------------------------
  Additional Lamp(s) Required on All Passenger Cars, and on Multipurpose Passenger Vehicles (MPV), Trucks, and
                 Buses, Less Than 2032 MM in Overall Width and With a GVWR of 10,000 Lbs or Less
----------------------------------------------------------------------------------------------------------------
High mounted stop lamp.........  1 Red, or 2 red    On the rear        Not less than 34   Steady burning.
                                  where exceptions   including          inches except     Must only be activated
                                  apply. See         glazing, with      for passenger      upon application of
                                  Section <IP_ADDRESS>.   the lamp center    cars. See          the service brakes or
                                                     on the vertical    Section <IP_ADDRESS>.   may be activated by a
                                                     centerline as                         device designed to
                                                     viewed from the                       retard the motion of
                                                     rear.                                 the vehicle.
----------------------------------------------------------------------------------------------------------------
 Additional Lamps and Reflective Devices Required on All Passenger Cars, Multipurpose Passenger Vehicles (MPV),
                                      Trucks, and Buses, 30 Feet or Longer
----------------------------------------------------------------------------------------------------------------
Intermediate side marker lamps.  2 Amber..........  On each side       Not less than 15   Steady burning except
                                                     located at or      inches.            may be flashed for
                                                     near the                              signaling purposes.
                                                     midpoint between                     Must be activated when
                                                     the front and                         the headlamps are
                                                     rear side marker                      activated in a steady
                                                     lamps.                                burning state or when
                                                                                the parking lamps on
                                                                                passenger cars and
                                                                                MPVs, trucks, and
                                                                                buses less than 80
                                                                                inches in overall
                                                                                width are activated.
Intermediate side reflex         2 Amber..........  On each side       Not less than 15   Not applicable.
 reflectors.                                         located at or      inches, nor more
                                                     near the           than 60 inches.
                                                     midpoint between
                                                     the front and
                                                     rear side reflex
                                                     reflectors.
----------------------------------------------------------------------------------------------------------------
  Additional Lamps Required on All Multipurpose Passenger Vehicles (MPV), Trucks, and Buses, 2032 MM or More in
                                                  Overall Width
----------------------------------------------------------------------------------------------------------------
Clearance lamps................  2 Amber..........  On the front to    As near the top    Steady burning.
                                                     indicate the       as practicable.
                                                     overall width of
                                                     the vehicle, or
                                                     width of cab on
                                                     truck tractor,
                                                     at the same
                                                     height,
                                                     symmetrically
                                                     about the
                                                     vertical
                                                     centerline.
                                                    May be located at
                                                     a location other
                                                     than the front
                                                     if necessary to
                                                     indicate the
                                                     overall width of
                                                     the vehicle, or
                                                     for protection
                                                     from damage
                                                     during normal
                                                     operation of the
                                                     vehicle..

                                 2 Red............  On the rear to     As near the top    Steady burning.
                                 (not required on    indicate the       as practicable,
                                  truck tractor).    overall width of   except where the
                                                     the vehicle, at    rear
                                                     the same height,   identification
                                                     symmetrically      lamps are
                                                     about the          mounted at the
                                                     vertical           extreme height
                                                     centerline.        of the vehicle..
                                                    May be located at  Practicability of
                                                     a location other   locating lamps
                                                     than the rear if   on the vehicle
                                                     necessary to       header is
                                                     indicate the       presumed when
                                                     overall width of   the header
                                                     the vehicle, or    extends at least
                                                     for protection     25 mm (1 inch)
                                                     from damage        above the rear
                                                     during normal      doors..
                                                     operation of the
                                                     vehicle..
Identification lamps...........  3 Amber..........  On the front, at   As near the top    Steady burning.
                                                     the same height,   of the vehicle
                                                     as close as        or top of the
                                                     practicable to     cab as
                                                     the vertical       practicable.
                                                     centerline, with
                                                     lamp centers
                                                     spaced not less
                                                     than 6 inches or
                                                     more than 12
                                                     inches apart.
                                 3 Red (not         On the rear, at    As near the top    Steady burning.
                                  required on        the same height,   as practicable.
                                  truck tractor).    as close as       Practicability of
                                                     practicable to     locating lamps
                                                     the vertical       on the vehicle
                                                     centerline, with   header is
                                                     lamp centers       presumed when
                                                     spaced not less    the header
                                                     than 6 inches or   extends at least
                                                     more than 12       25 mm (1 inch)
                                                     inches apart.      above the rear
                                                                        doors..
----------------------------------------------------------------------------------------------------------------
            Additional Lamps Required on All School Buses Except Multifunction School Activity Buses
----------------------------------------------------------------------------------------------------------------
Signal warning lamps...........  2 Red plus 2       On the front of    As high as         Flashing alternately
                                  amber optional.    the cab as far     practicable but    between 60 to 120
                                                     apart as           at least above     cycles per minute,
                                                     practicable, but   the windshield.    with an activation
                                                     in no case shall                      period sufficient to
                                                     the spacing                           allow the lamp to
                                                     between lamps be                      reach full
                                                     less than 40                          brightness, when
                                                     inches.                               actuated by a manual
                                                    Amber lamps, when                      switch.
                                                     installed, at                        Amber lamps, when
                                                     the same height                       installed, may only
                                                     as and just                           be activated by
                                                     inboard of the                        manual or foot
                                                     red lamp..                            operation, and must
                                                                                be automatically
                                                                                deactivated and the
                                                                                red lamps must be
                                                                                automatically
                                                                                activated when the
                                                                                bus entrance door is
                                                                                opened.
                                 2 Red plus 2       On the rear cab    As high as         Flashing alternately
                                  amber optional.    as far apart as    practicable but    between 60 to 120
                                                     practicable, but   at least above     cycles per minute,
                                                     in no case shall   the top of any     with an activation
                                                     the spacing        side window        period sufficient to
                                                     between lamps be   opening.           allow the lamp to
                                                     less than 40                          reach full
                                                     inches.                               brightness, when
                                                    Amber lamps, when                      actuated by a manual
                                                     installed, at                         switch.
                                                     the same height                      Amber lamps, when
                                                     as and just                           installed, may only
                                                     inboard of the                        be activated by
                                                     red lamp..                            manual or foot
                                                                                operation, and must
                                                                                be automatically
                                                                                deactivated and the
                                                                                red lamps must be
                                                                                automatically
                                                                                activated when the
                                                                                bus entrance door is
                                                                                opened.
----------------------------------------------------------------------------------------------------------------

   Daytime Running Lamps Permitted But Not Required on Passenger Cars, Multipurpose Passenger Vehicles (MPV),
                                                Trucks, and Buses
----------------------------------------------------------------------------------------------------------------
Daytime running lamp (DRL).....  2 identically      On the front,      Not more than      Steady burning.
                                  colored either     symmetrically      1.067 meters      Automatically
                                  white, white to    disposed about     above the road     activated as
                                  yellow, white to   the vertical       surface if not a   determined by the
                                  selective          centerline if      pair of lamps      vehicle manufacturer
                                  yellow,            not a pair of      required by this   and automatically
                                  selective          lamps required     standard or if     deactivated when the
                                  yellow, or         by this standard   not optically      headlamp control is
                                  yellow.            or if not          combined with a    in any ``on''
                                                     optically          pair of lamps      position.
                                                     combined with a    required by this  Each DRL optically
                                                     pair of lamps      standard.          combined with a turn
                                                     required by this  See S7.10.13(b)     signal lamp must be
                                                     standard.          for additional     automatically
                                                                        height             deactivated as a DRL
                                                                        limitation..       when the turn signal
                                                                                lamp or hazard
                                                                                warning lamp is
                                                                                activated, and
                                                                                automatically
                                                                                reactivated as a DRL
                                                                                when the turn signal
                                                                                lamp or hazard
                                                                                warning lamp is
                                                                                deactivated.
                                                                                See S<IP_ADDRESS>(c) for
                                                                                additional activation
                                                                                requirements when
                                                                                mounted close to, or
                                                                                combined with, a turn
                                                                                signal lamp.
----------------------------------------------------------------------------------------------------------------

                                Table I-b--Required Lamps and Reflective Devices
----------------------------------------------------------------------------------------------------------------
        Lighting device           Number and color     Mounting location     Mounting height   Device activation
----------------------------------------------------------------------------------------------------------------
                                                  ALL TRAILERS
----------------------------------------------------------------------------------------------------------------
Turn Signal Lamps..............  2 Red or amber...  On the rear, at the     Not less than 15   Flash when the
                                                     same height,            inches, nor more   turn signal
                                                     symmetrically about     than 83 inches.    flasher is
                                                     the vertical                               actuated by the
                                                     centerline, as far                         turn signal
                                                     apart as practicable.                      operating unit.
Taillamps......................  2 Red or 1 red on  On the rear, at the     Not less than 15   Steady burning.
                                  trailers less      same height,            inches, nor more
                                  than 30 inches     symmetrically about     than 72 inches.
                                  wide.              the vertical
                                                     centerline, as far
                                                     apart as practicable.
                                                     When a single lamp is
                                                     installed it must be
                                                     mounted at or near
                                                     the vertical
                                                     centerline.
Stop Lamps.....................  2 Red, or 1 red    On the rear, at the     Not less than 15   Steady burning.
                                  on trailers less   same height,            inches, nor more  Must be activated
                                  than 30 inches     symmetrically about     than 72 inches.    upon application
                                  wide.              the vertical                               of the service
                                                     centerline, as far                         brakes.
                                                     apart as practicable.                     When optically
                                                     When a single lamp is                      combined with a
                                                     installed it must be                       turn signal
                                                     mounted at or near                         lamp, the
                                                     the vertical                               circuit must be
                                                     centerline.                                such that the
                                                                                stop signal
                                                                                cannot be
                                                                                activated if the
                                                                                turn signal lamp
                                                                                is flashing. May
                                                                                also be
                                                                                activated by a
                                                                                device designed
                                                                                to retard the
                                                                                motion of the
                                                                                vehicle.
Side Marker Lamps..............  2 Amber..........  On each side as far to  Not less than 15   Steady burning
                                 None required on    the front as            inches.            except may be
                                  trailers less      practicable exclusive                      flashed for
                                  than 1829 mm [6    of the trailer tongue.                     signaling
                                  ft] in overall                                                purposes.
                                  length including
                                  the trailer
                                  tongue.
                                --------------------------------------------------------------
                                 2 Red............  On each side as far to  Not less than 15
                                                     the rear as             inches. Not more
                                                     practicable.            than 60 inches
                                                                             on trailers 2032
                                                                             mm or more in
                                                                             overall width.

Reflex Reflectors. A trailer     2 Amber..........  On each side as far to  Not less than 15   Not applicable.
 equipped with a conspicuity     None required on    the front as            inches, nor more
 treatment in conformance with    trailers less      practicable exclusive   than 60 inches.
 S8.2 of this standard need not   than 1829 mm [6    of the trailer tongue.
 be equipped with reflex          ft] in overall
 reflectors if the conspicuity    length including
 material is placed at the        the trailer
 locations of the required        tongue.
 reflex reflectors.
                                 2 Red............  On each side as far to
                                                     the rear as
                                                     practicable.
                                 2 Red or 1 red on  On the rear, at the
                                  trailers less      same height,
                                  than 30 inches     symmetrically about
                                  wide.              the vertical
                                                     centerline, as far
                                                     apart as practicable.
                                                    When a single
                                                     reflector is
                                                     installed it must be
                                                     mounted at or near
                                                     the vertical
                                                     centerline..
License Plate Lamp.............  1 White..........  On the rear to          No requirement...  Steady burning.
                                 Additional lamps    illuminate license
                                  permitted to       plate from top or
                                  meet               sides.
                                  requirements.
----------------------------------------------------------------------------------------------------------------
               Additional Lamps and Reflective Devices Required on all Trailers 30 Feet or Longer
----------------------------------------------------------------------------------------------------------------
Intermediate side marker lamps.  2 Amber..........  On each side located    Not less than 15   Steady burning
                                                     at or near the          inches.            except may be
                                                     midpoint between the                       flashed for
                                                     front and rear side                        signaling
                                                     marker lamps.                              purposes.
Intermediate side reflex         2 Amber..........  On each side located    Not less than 15   Not applicable.
 reflectors.                                         at or near the          inches, nor more
A trailer equipped with a                            midpoint between the    than 60 inches.
 conspicuity treatment in                            front and rear side
 conformance with S8.2 of this                       reflex reflectors.
 standard need not be equipped
 with reflex reflectors if the
 conspicuity material is placed
 at the locations of the
 required reflex reflectors.
----------------------------------------------------------------------------------------------------------------
                   Additional Lamps Required on all Trailers 2032 MM or More in Overall Width
----------------------------------------------------------------------------------------------------------------
Clearance lamps................  2 Amber..........  On the front to         As near the top    Steady burning.
                                                     indicate the overall    as practicable.
                                                     width of the vehicle,
                                                     at the same height,
                                                     symmetrically about
                                                     the vertical
                                                     centerline.
                                                    May be located at a
                                                     location other than
                                                     the front if
                                                     necessary to indicate
                                                     the overall width of
                                                     the vehicle, or for
                                                     protection from
                                                     damage during normal
                                                     operation of the
                                                     vehicle.
                                 2 Red............  On the rear to          As near the top    Steady burning.
                                                     indicate the overall    as practicable,
                                                     width of the vehicle,   except where the
                                                     at the same height,     rear
                                                     symmetrically about     identification
                                                     the vertical            lamps are
                                                     centerline.             mounted at the
                                                    May be located at a      extreme height
                                                     location other than     of the vehicle.
                                                     the rear if necessary   Practicability
                                                     to indicate the         of locating
                                                     overall width of the    lamps on the
                                                     vehicle, or for         vehicle header
                                                     protection from         is presumed when
                                                     damage during normal    the header
                                                     operation of the        extends at least
                                                     vehicle.                25 mm (1 inch)
                                                                             above the rear
                                                                             doors.

                                 2 Amber to front   On a boat trailer the   As near the top    Steady burning.
                                  and red to rear.   requirement for front   as practicable.
                                                     and rear clearance
                                                     lamps may be met by
                                                     installation at or
                                                     near the midpoint on
                                                     each side of a dual
                                                     facing lamp so as to
                                                     indicate the extreme
                                                     width. May be located
                                                     at a location other
                                                     than the front and
                                                     the rear if necessary
                                                     to indicate the
                                                     overall width of the
                                                     vehicle, or for
                                                     protection from
                                                     damage during normal
                                                     operation of the
                                                     vehicle.
Identification lamps...........  3 Red............  On the rear, at the     As near the top    Steady burning.
                                                     same height, as close   as practicable.
                                                     as practicable to the  Practicability of
                                                     vertical centerline,    locating lamps
                                                     with lamp centers       on the vehicle
                                                     spaced not less than    header is
                                                     6 inches or more than   presumed when
                                                     12 inches apart.        the header
                                                                             extends at least
                                                                             25 mm (1 inch)
                                                                             above the rear
                                                                             doors.
----------------------------------------------------------------------------------------------------------------

                                Table I-c--Required Lamps and Reflective Devices
----------------------------------------------------------------------------------------------------------------
        Lighting device           Number and color  Mounting location   Mounting height      Device activation
----------------------------------------------------------------------------------------------------------------
                                                 All Motorcycles
----------------------------------------------------------------------------------------------------------------
Lower Beam Headlamps...........  White, of a        On the front, at   Not less than 22   The wiring harness or
                                  headlighting       the same height,   inches (55.9 cm)   connector assembly of
                                  system listed in   symmetrically      nor more than 54   each headlighting
                                  S10.17.            about the          inches (137.2      system must be
                                                     vertical           cm).               designed so that only
                                                     centerline, as                        those light sources
                                                     far apart as                          intended for meeting
                                                     practicable. See                      lower beam
                                                     additional                            photometrics are
                                                     requirements in                       energized when the
                                                     S<IP_ADDRESS>,                           beam selector switch
                                                     S<IP_ADDRESS>, and                       is in the lower beam
                                                     S<IP_ADDRESS>.                           position, and that
                                                                                only those light
                                                                                sources intended for
                                                                                meeting upper beam
                                                                                photometrics are
                                                                                energized when the
                                                                                beam selector switch
                                                                                is in the upper beam
                                                                                position, except for
                                                                                certain systems
                                                                                listed in Table II.
Upper Beam Headlamps...........  White, of a        On the front, at   Not less than 22   Steady burning, except
                                  headlighting       the same height,   inches (55.9 cm)   that may be flashed
                                  system listed in   symmetrically      nor more than 54   for signaling
                                  S10.17.            about the          inches (137.2      purposes.
                                                     vertical           cm).
                                                     centerline, as
                                                     far apart as
                                                     practicable. See
                                                     additional
                                                     requirements in
                                                     S<IP_ADDRESS>,
                                                     S<IP_ADDRESS>, and
                                                     S<IP_ADDRESS>.
                                                                                The upper beam or the
                                                                                lower beam, but not
                                                                                both, may be wired to
                                                                                modulate from a
                                                                                higher intensity to a
                                                                                lower intensity in
                                                                                accordance with
                                                                                S10.17.5
Turn Signal Lamps..............  2 Amber. None      At or near the     Not less than 15   Flash when the turn
                                  required on a      front, at the      inches, nor more   signal flasher is
                                  motor driven       same height,       than 83 inches.    actuated by the turn
                                  cycle whose        symmetrically                         signal operating
                                  speed attainable   about the                             unit.
                                  in 1 mile is 30    vertical
                                  mph or less.       centerline, and
                                                     having a minimum
                                                     horizontal
                                                     separation
                                                     distance
                                                     (centerline of
                                                     lamps) of 16
                                                     inches. Minimum
                                                     edge to edge
                                                     separation
                                                     distance between
                                                     a turn signal
                                                     lamp and
                                                     headlamp is 4
                                                     inches.

                                 2 Amber or red.    At or near the
                                  None required on   rear, at the
                                  a motor driven     same height,
                                  cycle whose        symmetrically
                                  speed attainable   about the
                                  in 1 mile is 30    vertical
                                  mph or less.       centerline, and
                                                     having a minimum
                                                     horizontal
                                                     separation
                                                     distance
                                                     (centerline to
                                                     centerline of
                                                     lamps) of 9
                                                     inches.
                                                    Minimum edge to
                                                     edge separation
                                                     distance between
                                                     the turn signal
                                                     lamp and the
                                                     taillamp or stop
                                                     lamp is 4
                                                     inches, when a
                                                     single stop and
                                                     taillamp is
                                                     installed on the
                                                     vertical
                                                     centerline and
                                                     the turn signal
                                                     lamps are red.
Taillamps......................  1 Red............  On the rear, on    Not less than 15   Steady burning.
                                                     the vertical       inches, nor more
                                                     centerline         than 72 inches.
                                                     except that if
                                                     two are used,
                                                     they must be
                                                     symmetrically
                                                     disposed about
                                                     the vertical
                                                     centerline.
                                                                                Must be activated when
                                                                                the headlamps are
                                                                                activated in a steady
                                                                                burning state.
Stop Lamps.....................  1 Red............  On the rear, on    Not less than 15   Steady burning.
                                                     the vertical       inches, nor more
                                                     centerline         than 72 inches.
                                                     except that if
                                                     two are used,
                                                     they must be
                                                     symmetrically
                                                     disposed about
                                                     the vertical
                                                     centerline.
                                                                                Must be activated upon
                                                                                application of the
                                                                                service brakes.
                                                                                When optically
                                                                                combined with a turn
                                                                                signal lamp, the
                                                                                circuit must be such
                                                                                that the stop signal
                                                                                cannot be activated
                                                                                if the turn signal
                                                                                lamp is flashing. May
                                                                                also be activated by
                                                                                a device designed to
                                                                                retard the motion of
                                                                                the vehicle.
Reflex Reflectors..............  2 Amber..........  On each side as    Not less than 15   Not applicable.
                                                     far to the front   inches, nor more
                                                     as practicable.    than 60 inches.
                                 2 Red............  On each side as
                                                     far to the rear
                                                     as practicable.
                                 1 Red............  On the rear, on
                                                     the vertical
                                                     centerline
                                                     except that, if
                                                     two are used on
                                                     the rear, they
                                                     must be
                                                     symmetrically
                                                     disposed about
                                                     the vertical
                                                     centerline.
License Plate Lamp.............  1 White..........  On the rear to     No requirement...  Steady burning.
                                                     illuminate
                                                     license plate.
                                 Additional lamps   .................  .................  Must be activated when
                                  permitted to                                             the headlamps are
                                  meet                                                     activated in a steady
                                  requirements.                                            burning state.
----------------------------------------------------------------------------------------------------------------

* * * * *

                                    Table III--Marking Requirements Location
----------------------------------------------------------------------------------------------------------------
  Lamp, reflective device, or other
              component                       Marking              Marking location            Requirement
----------------------------------------------------------------------------------------------------------------
HEADLAMPS, BEAM CONTRIBUTORS, OR
 HEADLAMP REPLACEABLE LENS.
                                      ``DOT''................  Lens...................  S6.5.1
                                      Optical axis marking...  See requirement........  S10.18.5
                                      Manufacturer name and/   Lens...................  S6.5.3
                                       or trademark.
                                      Voltage................  See requirement........  S6.5.3
                                      Part number or trade     See requirement........  S6.5.3
                                       number.
HEADLAMP REPLACEABLE LENS...........  Manufacturer             Lens...................  S6.5.3
                                       identification.
                                      Headlamp identification
REPLACEABLE BULB HEADLAMPS..........  ``U'' or ``L'' (4 lamp   Lens...................  S10.15.4
                                       system).
                                      Replaceable bulb type..  Lens...................  S<IP_ADDRESS>
SEALED BEAM HEADLAMPS...............  ``sealed beam''........  Lens...................  S<IP_ADDRESS>
                                      Type designation.......  See requirements.......  S<IP_ADDRESS>
INTEGRAL BEAM HEADLAMPS.............  ``U'' or ``L'' (4 lamp   Lens...................  S10.14.4
                                       system).
MOTORCYCLE REPLACEABLE BULB           ``motorcycle''.........  Lens...................  S10.17.2
 HEADLAMPS.
VISUALLY/OPTICALLY AIMED HEADLAMPS..  ``VOR'' or ``VOL'' or    Lens...................  S<IP_ADDRESS>
                                       ``VO''.
EXTERNALLY AIMED HEADLAMPS..........  Aim pad location &       Lens...................  S<IP_ADDRESS>
                                       ``H'' or ``V``.
VEHICLE HEADLAMP AIMING DEVICES       Aiming scale(s)........  See requirement........  S10.18.8
 (VHAD).
 (HEADLAMP) REPLACEABLE LIGHT         ``DOT''................  See requirement........  S11.1
 SOURCES.
                                      Replaceable light        See requirement........
                                       source designation.
                                      Manufacturer name and/   See requirement........
                                       or trademark.
REPLACEABLE LIGHT SOURCE BALLASTS...  Manufacturer name or     See requirement........  S11.2
                                       logo.
                                      Part number............
                                      Light source
                                       identification.
                                      Rated laboratory life..
                                      High voltage warning...
                                      Output in watts and
                                       volts.
                                      ``DOT''................
LAMPS (OTHER THAN HEADLAMPS),         ``DOT''................  See requirement........  S<IP_ADDRESS>
 REFLECTIVE DEVICES, AND ASSOCIATED
 EQUIPMENT.
DAYTIME RUNNING LAMPS (DRL).........  ``DRL''................  Lens...................  S6.5.2
CONSPICUITY REFLEX REFLECTORS.......  ``DOT-C''..............  Exposed surface........  S<IP_ADDRESS>
RETROREFLECTIVE SHEETING............  ``DOT-C2'' or ``DOT-     Exposed surface........  S<IP_ADDRESS>
                                       C3'' or ``DOT-C4''.
----------------------------------------------------------------------------------------------------------------

                                             Table IV-a--Effective Projected Luminous Lens Area Requirements
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                              Passenger cars, multipurpose passenger       Multipurpose    Motorcycles minimum effective
                                                           vehicles, trucks, trailers, and buses of less     passenger     projected luminous lens area
                                                               than 2032 mm in overall width minimum         vehicles,                (sq mm)
                                                          effective projected luminous lens area (sq mm)      trucks,    -------------------------------
                                                         ------------------------------------------------  trailers, and   Multiple compartment lamp or
                                                                           Multiple compartment lamp or    buses 2032 mm          multiple lamps
                                                                                multiple lamps            or more in   -------------------------------
                     Lighting device                                     --------------------------------  overall width
                                                              Single                                          minimum
                                                            compartment                                      effective         Each          Single or
                                                               lamp            Each          Combined        projected    compartment or     combined
                                                                          compartment or   compartments    luminous lens       lamp        compartments
                                                                               lamp          or lamps     area each lamp                     or lamps
                                                                                (sq mm)
--------------------------------------------------------------------------------------------------------------------------------------------------------
Front turn signal lamp..................................            2200  ..............            2200            7500            2200            2258
Rear turn signal lamp...................................            5000            2200            5000            7500            2200            2258
Stop lamp...............................................            5000            2200            5000            7500            2200        \1\ 5000
--------------------------------------------------------------------------------------------------------------------------------------------------------
\1\ A motor driven cycle whose speed attainable in 1 mile is 30 mph or less may be equipped with a stop lamp whose minimum effective projected luminous
  lens area is not less than 2258 sq mm.

                         Table IV-b--Effective Projected Luminous Lens Area Requirements
----------------------------------------------------------------------------------------------------------------
                                                                                Multipurpose passenger
                                                     Passenger cars, multipurpose   vehicles, trucks, and buses
                                                     passenger vehicles, trucks,      of less than 2032 mm in
                                                     and buses of less than 2032   overall width and with a GVWR
                  Lighting device                    mm in overall width and with   of 10,000 lbs or less using
                                                     a GVWR of 10,000 lbs or less   dual lamps of identical size
                                                     using a single lamp minimum    and shape minimum effective
                                                     effective projected luminous   projected luminous lens area
                                                          lens area (sq mm)              each lamp (sq mm)
----------------------------------------------------------------------------------------------------------------
High-mounted stop lamp............................                          2903                           1452
----------------------------------------------------------------------------------------------------------------

     Table IV-c--Effective Projected Luminous Lens Area Requirements
------------------------------------------------------------------------
                                           School bus  minimum effective
             Lighting device                projected luminous lens area
                                                 each lamp (sq mm)
------------------------------------------------------------------------
School bus signal lamp...................                        12,258
------------------------------------------------------------------------

    Table V-a--Visibility Requirements of Installed Lighting Devices
------------------------------------------------------------------------
       Lighting device                    Required visibility
------------------------------------------------------------------------
Backup lamp..................  Lamps must be mounted so that the optical
                                center of at least one lamp is visible
                                from any eye point elevation from at
                                least 1828 mm (6 ft) to 610 mm (2 ft)
                                above the horizontal plane on which the
                                vehicle is standing; and from any
                                position in the area, rearward of a
                                vertical plane perpendicular to the
                                longitudinal axis of the vehicle, 914 mm
                                (3 ft), to the rear of the vehicle and
                                extending 914 mm (3 ft) beyond each side
                                of the vehicle.
High-mounted stop lamp.......  Signal must be visible to the rear
                                through a horizontal angle from 45[deg]
                                to the left to 45[deg] to the right of
                                the longitudinal axis of the vehicle.
                                (Single lamp or two lamps together where
                                required by S<IP_ADDRESS> of this standard).
School bus signal lamp.......  Signal of front lamps to the front and
                                rear lamps to the rear must be
                                unobstructed within area bounded by
                                5[deg] up to 10[deg] down and 30[deg]
                                left to 30[deg] right.
------------------------------------------------------------------------

* * * * *

Table V-d--Visibility Requirements of Installed Lighting Devices (Legacy
                         Visibility Alternative)

------------------------------------------------------------------------
                 Lighting device                    Required visibility
                                                            \1\
------------------------------------------------------------------------
Turn signal lamp.............  All passenger      Unobstructed minimum
                                cars,              effective projected
                                multipurpose       luminous lens area of
                                passenger          1250 sq mm through
                                vehicles,          horizontal angle of H-
                                trucks, buses,     V to H-45[deg] OB.
                                motorcycles, and
                                trailers of less
                                than 2032 mm
                                overall width.
                               All multipurpose   Unobstructed minimum
                                passenger          effective projected
                                vehicles,          luminous lens area of
                                trucks, buses,     1300 sq mm through
                                and trailers of    horizontal angle of H-
                                2032 mm or more    V to H-45[deg] OB.
                                overall width.     Where more than one
                                                   lamp or optical area
                                                   is lighted on each
                                                   side of the vehicle,
                                                   only one such area on
                                                   each side need
                                                   comply.
------------------------------------------------------------------------
Stop lamp                                         Unobstructed minimum
                                                   effective projected
                                                   luminous lens area of
                                                   1250 sq mm through
                                                   horizontal angle of H-
                                                   45[deg] IB to H-
                                                   45[deg] OB. Where
                                                   more than one lamp or
                                                   optical area is
                                                   lighted on each side
                                                   of the vehicle, only
                                                   one such area on each
                                                   side need comply.
Taillamp                                          Unobstructed minimum
                                                   effective projected
                                                   luminous lens area of
                                                   2 sq in through
                                                   horizontal angle of H-
                                                   45[deg] IB to H-
                                                   45[deg] OB. Where
                                                   more than one lamp or
                                                   optical area is
                                                   lighted on each side
                                                   of the vehicle, only
                                                   one such area on each
                                                   side need comply.
------------------------------------------------------------------------
\1\ IB indicates an inboard direction (toward the vehicle's longitudinal
  centerline) and OB indicates an outboard direction.

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BILLING CODE 4910-59-P

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    Issued: July 27, 2011.
David L. Strickland,
Administrator.
[FR Doc. 2011-19595 Filed 8-5-11; 8:45 am]
BILLING CODE 4910-59-C