State Route 120 | ||||
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Glebe Road | ||||
Route information | ||||
Maintained by VDOT | ||||
Length: | 9.10 mi (14.65 km) | |||
Existed: | 1940 – present | |||
Major junctions | ||||
South end: | US 1 in Crystal City | |||
I‑395 in Arna Valley |
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North end: | SR 123 in Arlingwood | |||
Location | ||||
Counties: | Arlington | |||
Highway system | ||||
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I‑395 in Arna Valley
US 50 in Arlington Heights
I‑66 in Ballston
State Route 120 (SR 120) is a primary state highway in the U.S. state of Virginia. Known as Glebe Road, the state highway runs 9.10 miles (14.65 km) from U.S. Route 1 (US 1) in Crystal City north to SR 123 at the Chain Bridge. SR 120 is a partial circumferential highway in Arlington County that connects the southeastern and northwestern corners of the county with several urban villages along its crescent-shaped path, including Ballston. The state highway also connects all of the major highways that radiate from Washington, including Interstate 395, I-66, US 50, and US 29. SR 120 is a part of the National Highway System for its entire length.