Route 642 provides local North-South service between US Route 50 and the Centreville (Stone Road) Park & Ride. The route travels primarily along the Walney Road, Westfields Boulevard, and Stone Road corridors.

Popular locations along the route include:

• Wegmans on Newbrook Drive
• Sully Station Government Center - Park & Ride Lot

An accessible version of the full timetable is provided in the tabs below.