(WASHINGTON, DC) – Today, the Department of General Services (DGS), together with the District Department of Transportation (DDOT) and community leaders, celebrated the completion of the transportation agency’s new headquarters in Ward 6 that features customized tenant improvement alterations, allowing DDOT to continue providing public services The 9-story building is located at 250 M Street, SE, directly across the street from the U.S. Department of Transportation.