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Highway Performance Monitoring System (HPMS)<\/b>
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HPMS from FHWA submittals for the District of Columbia, Maryland and Virginia. More information about the data included can be found in the HPMS Field Manual 'data items' section (<\/span>https://www.fhwa.dot.gov/policyinformation/hpms/fieldmanual/chapter4b.cfm#item1<\/a>) <\/span>
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This map service includes the following datasets:<\/font><\/div>
2021 Highway Performance Monitoring System (HPMS)<\/span>
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2020 Highway Performance Monitoring System (HPMS)<\/span>
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2019 Highway Performance Monitoring System (HPMS)
2018 Highway Performance Monitoring System (HPMS)
2017 Highway Performance Monitoring System (HPMS)
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2016 Highway Performance Monitoring System (HPMS)
2015 Highway Performance Monitoring System (HPMS)<\/font><\/div><\/div><\/div>", "mapName": "Layers", "description": "", "copyrightText": "", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "2022 Highway Performance Monitoring System (HPMS)", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 1, "name": "2021 Highway Performance Monitoring System (HPMS)", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 2, "name": "2020 Highway Performance Monitoring System (HPMS)", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 3, "name": "2019 Highway Performance Monitoring System (HPMS)", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 4, "name": "2018 Highway Performance Monitoring System (HPMS)", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 5, "name": "2017 Highway Performance Monitoring System (HPMS)", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 6, "name": "2016 Highway Performance Monitoring System (HPMS)", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true }, { "id": 7, "name": "2015 Highway Performance Monitoring System (HPMS)", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true } ], "tables": [], "spatialReference": { "wkid": 4326, "latestWkid": 4326, "xyTolerance": 8.983152841195215E-9, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -400, "falseY": -400, "xyUnits": 9.999999999999999E8, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 }, "singleFusedMapCache": false, "initialExtent": { "xmin": -79.04019600896243, "ymin": 37.597365376087744, "xmax": -75.43248848425125, "ymax": 40.15788375750835, "spatialReference": { "wkid": 4326, "latestWkid": 4326, "xyTolerance": 8.983152841195215E-9, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -400, "falseY": -400, "xyUnits": 9.999999999999999E8, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "fullExtent": { "xmin": -78.16452755599994, "ymin": 37.401197410000066, "xmax": -76.30503789586496, "ymax": 39.72106619448541, "spatialReference": { "wkid": 4326, "latestWkid": 4326, "xyTolerance": 8.983152841195215E-9, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -400, "falseY": -400, "xyUnits": 9.999999999999999E8, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "datesInUnknownTimezone": false, "minScale": 0, "maxScale": 0, "units": "esriDecimalDegrees", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "Map", "Author": "", "Comments": "", "Subject": "", "Category": "", "AntialiasingMode": "None", "TextAntialiasingMode": "Force", "Version": "2.9.0", "Keywords": "HPMS,RTDC,Federal,PBPP" }, "supportsQueryDomains": true, "capabilities": "Data,Map,Query", "supportedQueryFormats": "JSON, geoJSON, PBF", "exportTilesAllowed": false, "referenceScale": 0.0, "datumTransformations": [ { "geoTransforms": [ { "wkid": 108190, "latestWkid": 108190, "transformForward": false, "name": "WGS_1984_(ITRF00)_To_NAD_1983" } ] }, { "geoTransforms": [ { "wkid": 108190, "latestWkid": 108190, "transformForward": true, "name": "WGS_1984_(ITRF00)_To_NAD_1983" } ] } ], "supportsDatumTransformation": true, "floorAwareMapProperties": { "defaultFloorFilterSettings": {"isEnabled": false} }, "archivingInfo": {"supportsHistoricMoment": false}, "supportsClipping": true, "supportsSpatialFilter": true, "supportsTimeRelation": true, "supportsQueryDataElements": true, "maxRecordCount": 100000, "maxImageHeight": 4096, "maxImageWidth": 4096, "supportedExtensions": "KmlServer", "serviceItemId": "9d9585d558f94a799140b88287a56968" }