Back in 2010, WMATA produced a 15-minute bus map that showed bus routes with frequent service throughout the day. That map was just for planning purposes, but it’s such a useful idea that I took the next step, and turned it into a more user-friendly diagram.

Click to enlarge.

In addition to Metrobus routes, this map also shows other frequent bus services in the region, including DC Circulator, Bethesda Circulator, and the King Street Trolley.

Detail of the downtown area:

DC’s mid-city section:

15-minute bus routes in Virginia:

And in Montgomery County:

Dan Malouff is a transportation planner for Arlington and an adjunct professor at George Washington University. He has a degree in urban planning from the University of Colorado and lives in Trinidad, DC. He runs BeyondDC and contributes to the Washington Post. Dan blogs to express personal views, and does not take part in GGWash's political endorsement decisions.