 SR 118 provides supplemental access to Roanoke Regional Airport, whose primary access road is Aviation Drive, which is more directly connected with SR 101, Interstate 581, and U.S. Route 220 in Virginia.SR 118 begins at an intersection with US 11 (Williamson Road) just north of US 11's intersection with SR 101 (Hershberger Road).The state highway heads north as a two-lane road between a shopping center to the west and a residential area to the east.