September 11th National Memorial Trail partially coincident with Chesapeake and Ohio Canal Towpath
Existing trails along the route
Clockwise from the Pentagon the triangular 9/11 Trail incorporates many sections of existing trais, as well as overlapping segments of the East Coast Greenway.Pentagon Memorial (VA)
Chesapeake & Ohio Canal National Historical Park (DC,MD)
Great Allegheny Passage (MD, PA)
September 11th National Memorial Trail (first purpose-built section - 1.5 miles)
Flight 93 National Memorial PA
partially overlapping with partially intersecting with partially sharing with partially matching with partially aligning with