Ddot is the abbreviation for the District Department of Transportation. This agency is responsible for planning, coordinating, and implementing transportation policies and programs in Washington D.C. Some of the key functions of Ddot include managing the city’s public transportation system, maintaining and improving the city’s roads and bridges, and implementing programs to improve traffic safety and mobility. Ddot also works with other agencies, organizations, and community groups to develop and implement transportation solutions that meet the needs of the city and its residents.