City of Washington, DCAlley Street Changes Lines. The dataset contains locations and attributes of Alley Street Changes Lines, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/1560358b31fa4cdba3bda020dc380461_75engOpen Data DCPublicAlley and Street Changes [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2026-01-08