New Hampshire Avenue partially coincident with Maryland Route 650
New Hampshire Avenue is a diagonal street in Washington, D.C., beginning at the Kennedy Center and extending northeast for about 5 miles (8 km) and then continuing into Maryland where it is designated Maryland Route 650. New Hampshire Avenue, however, is not contiguous. It stops at 15th and W Streets NW and resumes again on the other side of Columbia Heights at Park Road NW, a few blocks from Georgia Avenue. 
New Hampshire Avenue passes through several Washington neighborhoods including Foggy Bottom, Dupont Circle, Petworth and Lamond-Riggs.
In Maryland, New Hampshire Avenue passes the neighborhoods and towns of Chillum, Takoma Park, Carole Highlands, Langley Park and Silver Spring. Eventually, it feeds into Damascus Road (Maryland Route 108) at Etchison. Many Maryland residents regard New Hampshire Avenue as a convenient access road to Washington's North Capitol Street, a wide road that starts north of the United States Capitol and divides the city into its northwest and northeast quadrants.
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