Arlington County, Virginia Cafe, a nickname originating during the Cold War when the Pentagon was targeted by Soviet nuclear missiles. During World War II, the earliest portion of the Henry G. Shirley Memorial Highway was built in Arlington in conjunction with the parking and traffic plan for the Pentagon. This early freeway, opened in 1943 and completed to Woodbridge, Virginia in 1952, is now part of Interstate 395. Arlington forms part of the region's core transportation network. The county is traversed by two interstate highways, Interstate 66 in the northern part of the county and Interstate 395 in the eastern part, both with
U.S. Route 50 in the District of Columbia U.S. Route 50 in the District of Columbia U.S. Route 50 (US 50) is a major east–west route of the U.S. Highway system, stretching just over from Ocean City, Maryland, on the Atlantic Ocean, to West Sacramento, California, nearly to the Pacific Ocean. In the District of Columbia, US 50 passes between Arlington County, Virginia, and Prince George's County, Maryland, predominantly along surface streets, including a part of Constitution Avenue along the National Mall. US 50 enters the District of Columbia from Arlington, Virginia, merging with I-66 on the Theodore Roosevelt Bridge over the Potomac River. US 50 traffic exits