{"@type": "dcat:Dataset", "accessLevel": "public", "contactPoint": {"@type": "vcard:Contact", "fn": "DCGISopendata", "hasEmail": "mailto:gisgroup@dc.gov"}, "description": "<DIV STYLE=\"text-align:Left;\"><DIV><DIV><P><SPAN>Traffic 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).</SPAN></P></DIV></DIV></DIV>", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://opendata.dc.gov/datasets/DCGIS::2024-traffic-volume", "format": "Web Page", "mediaType": "text/html", "title": "ArcGIS Hub Dataset"}, {"@type": "dcat:Distribution", "accessURL": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Transportation_TrafficVolume_WebMercator/MapServer/5", "format": "ArcGIS GeoServices REST API", "mediaType": "application/json", "title": "ArcGIS GeoService"}, {"@type": "dcat:Distribution", "accessURL": "https://maps2.dcgis.dc.gov/dcgis/services/DCGIS_DATA/Transportation_TrafficVolume_WebMercator/MapServer/WMSServer?request=GetCapabilities&service=WMS", "format": "OGC WMS", "mediaType": "application/vnd.ogc.wms_xml", "title": "OGC WMS"}, {"@type": "dcat:Distribution", "accessURL": "https://opendata.dc.gov/api/download/v1/items/948099175f3a44cca2d6a633cf3ec35a/csv?layers=5", "format": "CSV", "mediaType": "text/csv", "title": "CSV"}, {"@type": "dcat:Distribution", "accessURL": "https://opendata.dc.gov/api/download/v1/items/948099175f3a44cca2d6a633cf3ec35a/shapefile?layers=5", "format": "ZIP", "mediaType": "application/zip", "title": "Shapefile"}, {"@type": "dcat:Distribution", "accessURL": "https://opendata.dc.gov/api/download/v1/items/948099175f3a44cca2d6a633cf3ec35a/geojson?layers=5", "format": "GeoJSON", "mediaType": "application/vnd.geo+json", "title": "GeoJSON"}, {"@type": "dcat:Distribution", "accessURL": "https://opendata.dc.gov/api/download/v1/items/948099175f3a44cca2d6a633cf3ec35a/kml?layers=5", "format": "KML", "mediaType": "application/vnd.google-earth.kml+xml", "title": "KML"}], "identifier": "https://www.arcgis.com/home/item.html?id=948099175f3a44cca2d6a633cf3ec35a&sublayer=5", "issued": "2026-02-09T17:04:12.000Z", "keyword": ["traffic volume", "traffic", "transportation", "street", "hpms", "highway performance management system", "aadt", "annual average daily traffic", "federal highway administration", "fha", "washington dc", "district of columbia", "dc"], "landingPage": "https://opendata.dc.gov/datasets/DCGIS::2024-traffic-volume", "license": "https://creativecommons.org/licenses/by/4.0", "modified": "2026-02-09T12:07:23.000Z", "publisher": {"name": "City of Washington, DC"}, "spatial": "-77.1167,38.7932,-76.9094,38.9953", "theme": ["geospatial"], "title": "2024 Traffic Volume"}