List of Washington, D.C. numbered highways

The District of Columbia is served by the unnumbered federally-maintained Clara Barton Parkway, Rock Creek and Potomac Parkway and George Washington Memorial Parkway (the latter on the west side of the Potomac River, but a portion of it is east of the Boundary Channel), along with several interstates and U.S. routes. Maintenance of roads in the District is the responsibility of the District Department of Transportation (DDOT).

List of routes

Current

Note: Interstate 95 and Interstate 495 pass within the boundaries of the District of Columbia in the middle of the Potomac River at the Woodrow Wilson Bridge, but do not connect to any other roads in D.C.

	Interstate 66
	Interstate 295
	Interstate 395
	Interstate 695	An unsigned interstate.
	U.S. Route 1	From 14th Street Bridge in Virginia to Constitution Ave to 6th Street NW to Rhode Island Avenue to the Maryland state line where it becomes Baltimore Ave/Baltimore Blvd in Prince George's County.
	U.S. Route 1 Alternate
	U.S. Route 29	Georgia Avenue
	U.S. Route 50	Constitution Ave. to 6th St NW to New York Avenue where it continues to the Maryland state line.
	District of Columbia Route 295	Interstate 295 to the Maryland state Line at the Baltimore-Washington Parkway.

Decommissioned

This transport-related list is incomplete; you can help by expanding it.

	Interstate 95
	Interstate 270
	U.S. Route 1 Bypass
	U.S. Route 50 Alternate
	U.S. Route 50 Bypass
	U.S. Route 211
	U.S. Route 240
	U.S. Route 240 Alternate

D.C. Routes

Note: many of these routes may have been unsigned, but are shown on some maps.

District of Columbia Route 4
District of Columbia Route 5
District of Columbia Route 193
District of Columbia Route 210
District of Columbia Route 332
District of Columbia Route 355
District of Columbia Route 396
District of Columbia Route 500
District of Columbia Route 650

See also

• List of state highways in the United States
• Streets and highways of Washington, D.C.

External links

• District Department of Transportation
• 1946 D.C. map on U.S. Highways: Shows the former D.C. routes.
• Road Signs of Washington, D.C.
• Washington, D.C. Highways at AARoads