HPMS Roadway Events Data 2021
Roadway attributes datasets in the Highway Performance Monitoring System (HPMS) consist of three separate tables: the Road Designations Table, the Road Identifications Table, and the Road Events Table. The Roads Event Table data items include Inventory, Lanes, Intersections, Traffic, Control, Pavement, Terrain, and Travel Time Code.
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APPLICATION/RDF+XML -
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[
"021:15"
]
|
| contactPoint |
{
"fn": "Office of Highway Policy Information",
"@type": "vcard:Contact",
"hasEmail": "mailto:PolicyInfoFeedback@dot.gov"
}
|
| dataQuality |
true
|
| describedBy | https://www.fhwa.dot.gov/policyinformation/hpms/fieldmanual/ |
| description | Roadway attributes datasets in the Highway Performance Monitoring System (HPMS) consist of three separate tables: the Road Designations Table, the Road Identifications Table, and the Road Events Table. The Roads Event Table data items include Inventory, Lanes, Intersections, Traffic, Control, Pavement, Terrain, and Travel Time Code. |
| distribution |
[
{
"@type": "dcat:Distribution",
"mediaType": "application/json",
"describedBy": "https://data.transportation.gov/api/views/trfk-mhda/columns.json",
"downloadURL": "https://data.transportation.gov/api/views/trfk-mhda/rows.json?accessType=DOWNLOAD",
"describedByType": "application/json"
},
{
"@type": "dcat:Distribution",
"mediaType": "application/rdf+xml",
"describedBy": "https://data.transportation.gov/api/views/trfk-mhda/columns.rdf",
"downloadURL": "https://data.transportation.gov/api/views/trfk-mhda/rows.rdf?accessType=DOWNLOAD",
"describedByType": "application/rdf+xml"
},
{
"@type": "dcat:Distribution",
"mediaType": "application/xml",
"describedBy": "https://data.transportation.gov/api/views/trfk-mhda/columns.xml",
"downloadURL": "https://data.transportation.gov/api/views/trfk-mhda/rows.xml?accessType=DOWNLOAD",
"describedByType": "application/xml"
},
{
"@type": "dcat:Distribution",
"mediaType": "text/csv",
"downloadURL": "https://data.transportation.gov/api/views/trfk-mhda/rows.csv?accessType=DOWNLOAD"
}
]
|
| identifier | https://data.transportation.gov/api/views/trfk-mhda |
| issued | 2025-07-22 |
| keyword |
[
"hpms",
"hppi"
]
|
| landingPage | https://data.transportation.gov/d/trfk-mhda |
| language |
[
"en-US"
]
|
| license | https://www.usa.gov/government-works |
| modified | 2026-03-27 |
| primaryITInvestmentUII | 021-099281808 |
| programCode |
[
"021:009"
]
|
| publisher |
{
"name": "Federal Highway Administration",
"@type": "org:Organization"
}
|
| theme |
[
"Roadways and Bridges"
]
|
| title | HPMS Roadway Events Data 2021 |
