Capital Beltway
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The Capital Beltway, designated as Interstate 495 for its entire length, is an auxiliary Interstate Highway in the Washington metropolitan area. The 64-mile beltway encircles Washington, D.C., the cap
I-495/Capital Beltway signage in Virginia
The Woodrow Wilson Bridge carrying I-95/I-495 over the Potomac River between Alexandria, Virginia, and Oxon Hill, Maryland, April 2007
"Maryland Welcomes You" sign on the Outer Loop over the Woodrow Wilson Bridge
I-95/I-495 and I-295 interchange in Maryland seen from the air above the Potomac River, 2012
Interstate 66
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Interstate 66 is a 76.32 mile east–west interstate highway in the eastern United States. The highway runs from an interchange with I-81 near Middletown, Virginia, on its western end to an interchange
Western terminus of I-66 at the interchange with I-81 in Middletown, Virginia
I-66 in Oakton, with a Washington Metro train using the tracks in the median
The E Street Expressway just east of I-66
I-66 in Fairfax County with the Metrorail Orange Line in the median. The left lane is an HOV lane, and the right shoulder is used as a travel lane during rush hour; both lanes were widened as part of the Transform 66 project.