District Department of TransportationRoadway Street Blocks representing Interstates, Freeways, Expressways in the District, This data set was created to act as a basis for public and private institutions to improve their policy and decision making; promote economic development; and enhance the quality of life for residents and businesses. For more information please visit DDOT's wiki page .ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/5577b6a4f5c9426894a70982eb4f9905_37engOpen Data DCPublicInterstate Highways [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2022-10-27