Public transportation options in many portions of the Trail corridor are extensive, including:

• AMTRAK Capital Limited and Cardinal routes, making connections to Fredericksburg, Vir.; Alexandria, Vir.; Washington, D.C.; Cumberland, Md.; and Pittsburgh, Penn. 

• MARC and VRE regional commuter train service (with a MARC connection to BWI International Airport)

•  Washington Metropolitan Transit Authority (Metro) trains and buses (including options to transport bicycles on both), with connections to Dulles and National airports

• long-distance commercial bus services, leaving near Union Station, and

• local bus services.