18th Street NW
Shops along 18th Street NW in the Adams Morgan neighborhood | |
| Maintained by | DDOT |
|---|---|
| Length | 2.1 mi (3.4 km) |
| Location | Northwest, Washington, D.C., U.S. |
| South end | US 50 (Constitution Avenue) in Foggy Bottom |
| Major junctions | US 29 (K Street) in Downtown Connecticut Avenue in Dupont Circle |
| North end | Columbia Road in Adams Morgan |
| East | 17th Street |
| West | 19th Street |
| Construction | |
| Commissioned | 1791 |
18th Street Northwest is a prominent north–south street thoroughfare in the Northwest quadrant of Washington, D.C.