 It was a replacement for a route previously provided by the defunct McMahon Services.The line provided one morning trip between Carney and downtown, and one evening trip from downtown to Carney.It operated to points on Harford Road north of the Park-and-Ride lot, serving the Cub Hill area, and then followed Old Harford Road and shorter sections of other thoroughfares in Parkville and Towson not served by other bus service prior to reaching Charles Street in the Rodgers Forge area.