Thomas Circle

Thomas Circle is a traffic circle in Northwest Washington, D.C., in the United States. It is located at the intersection of Massachusetts Avenue NW, Vermont Avenue NW, 14th Street NW, and M Street NW. It is named for George Henry Thomas, a Union Army general in the American Civil War.

Thomas Circle was constructed as a traffic circle as part of the original L'Enfant Plan for the District of Columbia. The circle was named for American Civil War General George Henry Thomas.

A horse-drawn railway installed around the Circle in the mid-1860s led to development to the north. Paved roads and sewers soon followed, and the area quickly attracted wealthy residents. Luther Place Memorial Church was built in 1874.

In December 1938, construction began on a $680,000 tunnel that would allow Massachusetts Avenue's through-traffic to pass under the circle. This underpass opened on March 14, 1940. North-south running through-traffic lanes cutting through the center of the circle were added to improve traffic flow.

In October 2006, the D.C. Department of Transportation completed a 2.5-year, $6 million reconstruction of the Thomas Circle. The project included the addition of bike lanes, pedestrian crosswalks mid-circle (which hadn't previously existed), new in-circle traffic lights, better street lighting, and new sidewalks and landscaping. The biggest change, however, came with the elimination of the 14th Street through-lanes. The circle was restored to its original design according to the L'Enfant Plan, which allowed for a larger landscaped area inside the circle. The rehabilitation of Thomas Circle won an Honorable Mention in the "Historic Preservation" category of the Federal Highway Administration's Excellence in Highway Design awards for 2006.

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