Wikipedia:WikiProject U.S. Roads/District of Columbia/National Highway System

Type	Road	From	To
Interstate	I-66	Virginia	Whitehurst Freeway
Interstate	I-95/I-495 (Woodrow Wilson Bridge)	Virginia	Maryland
Interstate	I-295	Maryland	I-695
Interstate	I-395	Virginia	New York Avenue
Interstate	I-695	I-395	Pennsylvania Avenue
Other	Suitland Parkway	Maryland	South Capitol Street
Other	South Capitol Street	Suitland Parkway	Washington Avenue SW
Other	Washington Avenue	South Capitol Street	Independence Avenue SW
Other	Branch Avenue	Maryland	Pennsylvania Avenue
Other	DC 295	I-295	Maryland
Other	Pennsylvania Avenue	M Street NW	17th Street NW
Other	Pennsylvania Avenue	15th Street NW	Constitution Avenue NW
Other	Pennsylvania Avenue	Independence Avenue SE	Maryland
Other	Louisiana Avenue	Constitution Avenue NW	Union Station
Other	Independence Avenue	23rd Street SW	Pennsylvania Avenue SE
Other	Constitution Avenue	I-66	Louisiana Avenue NW
Other	E Street Expressway	I-66	20th Street NW
Other	E Street Northwest	20th Street NW	17th Street NW
Other	New York Avenue	18th Street NW	17th Street NW
Other	H Street Northwest	Pennsylvania Avenue NW	14th Street NW
Other	I Street Northwest	Pennsylvania Avenue NW	14th Street NW
Other	K Street Northwest	Whitehurst Freeway	14th Street NW
Other	Whitehurst Freeway	Canal Road NW	K Street NW
Other	Canal Road	Whitehurst Freeway	Chain Bridge
Other	Chain Bridge	Canal Road NW	Virginia
Other	M Street Northwest	Wisconsin Avenue	Pennsylvania Avenue
Other	New York Avenue	7th Street NW	Maryland
Other	7th Street Southwest and Northwest	Independence Avenue	Georgia Avenue
Other	Georgia Avenue	7th Street NW	Maryland
Other	9th Street Southwest and Northwest	I-395	Constitution Avenue NW
Other	12th Street Southwest and Northwest	I-395	Constitution Avenue NW
Other	14th Street Southwest and Northwest	I-395	K Street NW
Other	15th Street Southwest and Northwest	Maine Avenue SW	Pennsylvania Avenue NW
Other	16th Street Northwest	K Street NW	Maryland
Other	17th Street Southwest and Northwest	Independence Avenue SW	Pennsylvania Avenue NW
Other	Connecticut Avenue	K Street NW	Nebraska Avenue NW
Other	Henry Bacon Drive	Lincoln Memorial	Constitution Avenue NW
Other	23rd Street Southwest	Independence Avenue SW	Lincoln Memorial
Other	23rd Street Northwest	Lincoln Memorial	Constitution Avenue NW
Other	Wisconsin Avenue	M Street NW	Maryland
Other	Nebraska Avenue	Connecticut Avenue NW	Military Road NW
Other	Military Road	Nebraska Avenue NW	Georgia Avenue NW
Other	Key Bridge	Virginia	Whitehurst Freeway
Other	George Washington Parkway	Virginia	Virginia
Other	Washington Boulevard	Virginia	George Washington Parkway
Other	Arlington Memorial Bridge	George Washington Parkway	Lincoln Memorial
Other	Maine Avenue	Independence Avenue SW	I-395
Other (unbuilt)	Barney Circle Freeway	I-295	DC 295