Several special routes of U.S. Route 1 (US 1) exist, from Florida to Maine. In order from south to north, separated by type, these special routes are as follows.
View south along US 1 Alt. and west along US 50 in Washington DC
View north along US 1 Alt. at MD 208 in Colmar Manor, Maryland
Southbound San Marco Avenue, December 2012
View south along US 1 Bus. in Fredericksburg, Virginia
U.S. Route 50 (US 50) is a major east–west route of the U.S. Highway System, stretching just over 3,000 miles (4,800 km) from Ocean City, Maryland, on the Atlantic Ocean, to West Sacramento, California, nearly to the Pacific Ocean. In Washington, D.C., 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.
The Theodore Roosevelt Bridge over the Potomac River on I-66 and US 50, with the Rosslyn area of Arlington, Virginia, along the riverbank
View west along US 50 at I-395