Streets and highways of Washington, D.C.

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Standard markers for highways in Washington, D.C.
Highway names
Interstates	Interstate X (I-X)
US Highways	U.S. Route X (US X)
State	District of Columbia Route X (DC X)
System links
Streets and Highways of Washington, DC Interstate US DC State-Named Streets

The streets and highways of Washington, D.C., form the core of the surface transportation infrastructure in Washington, D.C., the federal capital of the United States. Given that it is a planned city, the city's streets follow a distinctive layout and addressing scheme. There are 1,500 miles (2,400 km) of public roads in the city, of which 1,392 miles (2,240 km) are owned and maintained by city government.^[1]