District Department of TransportationTraffic volume of Roadway Blocks. The dataset contains traffic volume data, created as part of the District of Columbia, Department of Transportation (DDOT) Roads and Highways database. A database provided by the District of Columbia, Department of Transportation identified traffic volume. Count data is collected (both direction) at pre-selected locations on Highway Performance Monitoring System (HPMS) Sections on a three-year cycle. These counts are converted to Annual Average Daily Traffic (AADT).ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/6f0a385e6f49467ead6888b939eb2e3f_65engOpen Data DCPublic2007 Traffic Volume [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of Columbia2007