This map, from the American Intercity Bus Riders Association, attempts to show all the major intercity transit routes in America. It includes Amtrak, Greyhound, and several other bus carriers.

Map of Amtrak and intercity bus lines, from AIBRA.

It’s probably impossible for this kind of map to be 100% accurate all the time. In all likelihood there are some missing links, and missing carriers. But it’s still quite an impressive undertaking, and a useful tool to bookmark.

Cross-posted at BeyondDC.

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Dan Malouff is a transportation planner for Arlington and professor of geography at George Washington University, but blogs to express personal views. He has a degree in urban planning from the University of Colorado and lives in northeast DC. He runs BeyondDC and contributes to the Washington Post .