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The Federal Highway Administration (FHWA) requires a review of highway urban and urbanized areas after each decennial US Census. The Census Bureau determines boundaries for urbanized areas with 50,000 or more people. Highway urbanized areas must include all areas defined as urbanized by the Census bureau but can and usually do include area beyond the Census Bureau defined boundaries. For urban areas of 5,000 through 49,999 people, FHWA uses city limits or Census Designated Place boundaries, with some adjustments, as the minimum area. This data set is used for identification of Urban Areas and as a reference layer for geographic information systems at WSDOT. This service is maintained by the Washington State Department of Transportation's GIS and Roadway Data Office. If you have any questions about this service, please email OnlineMapSupport@wsdot.wa.gov.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "Subject": "Highway Urban and Urbanized, as defined by the Federal Highway Administration, and based on population values from the 2020 Census.", "Category": "", "Version": "3.1.0", "AntialiasingMode": "Fast", "TextAntialiasingMode": "Force", "Keywords": "WSDOT,WA,Washington,Transportation,Urban,Highway,Census" }, "capabilities": "Map,Query,Data", "supportedQueryFormats": "JSON, geoJSON, PBF", "exportTilesAllowed": false, "referenceScale": 0.0, "datumTransformations": [ { "geoTransforms": [ { "wkid": 108282, "latestWkid": 108282, "transformForward": false, "name": "WGS_1984_(ITRF00)_To_NAD_1983_HARN" } ] } ], "supportsDatumTransformation": true, "archivingInfo": {"supportsHistoricMoment": false}, "supportsClipping": true, "supportsSpatialFilter": true, "supportsTimeRelation": true, "supportsQueryDataElements": true, "mapUnits": {"uwkid": 9001}, "maxRecordCount": 1000, "maxImageHeight": 4096, "maxImageWidth": 4096, "supportedExtensions": "FeatureServer, KmlServer, WFSServer, WMSServer", "resampling": false }