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Monthly NHS Traffic Speed
This dataset reports the historical National Highway System 50th percentile median speeds for various roadway types, months, and vehicles on US roads.
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Complete Metadata
| @type | Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "021:15" ] |
| contactPoint |
[ { "fn": "Office of Highway Policy Information", "@type": "Kind", "hasEmail": "mailto:policyinfofeedback@dot.gov" } ] |
| description | This dataset reports the historical National Highway System 50th percentile median speeds for various roadway types, months, and vehicles on US roads. |
| distribution |
[ { "@type": "Distribution", "modified": "2026-10-07", "accessURL": "https://data.transportation.gov/d/ra4w-8xud", "mediaType": "application/json", "describedBy": { "@type": "Standard", "title": "Columns for this asset", "accessURL": "https://data.transportation.gov/api/views/ra4w-8xud/columns.json" }, "downloadURL": "https://data.transportation.gov/api/v3/views/ra4w-8xud/query.json?accessType=DOWNLOAD" }, { "@type": "Distribution", "modified": "2026-10-07", "accessURL": "https://data.transportation.gov/d/ra4w-8xud", "mediaType": "application/xml", "describedBy": { "@type": "Standard", "title": "Columns for this asset", "accessURL": "https://data.transportation.gov/api/views/ra4w-8xud/columns.xml" }, "downloadURL": "https://data.transportation.gov/api/v3/views/ra4w-8xud/query.xml?accessType=DOWNLOAD" }, { "@type": "Distribution", "modified": "2026-10-07", "accessURL": "https://data.transportation.gov/d/ra4w-8xud", "mediaType": "text/csv", "downloadURL": "https://data.transportation.gov/api/v3/views/ra4w-8xud/export.csv?accessType=DOWNLOAD" } ] |
| identifier | https://data.transportation.gov/api/views/ra4w-8xud |
| keyword |
[ "hppi", "speed data", "traffic flow" ] |
| landingPage |
{ "@type": "Document", "title": "Monthly NHS Traffic Speed - Dataset Home", "issued": "2023-04-25", "accessURL": "https://data.transportation.gov/d/ra4w-8xud", "publisher": [ { "@id": "https://data.transportation.gov/user/56x8-w9tb", "name": "Federal Highway Administration", "@type": "Organization" } ], "description": "Monthly NHS Traffic Speed - Dataset Home" } |
| license | https://www.usa.gov/government-works |
| modified | 2026-10-07 |
| programCode |
[ "021:009" ] |
| publisher |
{ "@id": "https://data.transportation.gov/user/56x8-w9tb", "name": "Federal Highway Administration", "@type": "Organization" } |
| rights |
[ "public" ] |
| title | Monthly NHS Traffic Speed |
