Office of the Chief Technology OfficerRoadway SubBlocks - Right of Way Information. A single line, segmented at all intersections (alley and others), representing each street in the District. They follow the general trend of the street and do not deviate due to parking lanes, turning lanes, etc. and contain address ranges for geocoding. The street GIS database includes five different street road types: street centerline, alley, drive, ramp and service road. All DC GIS data is stored and exported in Maryland State Plane coordinates NAD 83 meters. This layer contains complete theoretical address ranges.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/9e102552d36b44039dd1598cd6209e5d_80engOpen Data DCPublicStreet Right Of Way [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2022-08-12