Data · dataset · 2025
HPMS Roadway Events Data 2021
Listed in U.S Department of Transportation
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.
Description
The Roads Event Table data items include Inventory, Lanes, Intersections, Traffic, Control, Pavement, Terrain, and Travel Time Code.
Links
Get the data
- CSV data.transportation.gov/api/views/trfk-mhda/rows.csv?accessType=DOWNLOAD ↗
download · from data transportation gov
Where it is published
- U.S Department of Transportation dataset page data.transportation.gov/Roadways-and-Bridges/HPMS-Roadway-Events-Data-2021/trfk-mhda ↗
landing page · from data transportation gov
Catalogue records · 1
- SODA API data.transportation.gov/resource/trfk-mhda.json ↗
metadata API · from data transportation gov
Topics
- Stated by source
- Roadways and Bridges
- Inferred from text
- Tabular 65%
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| U.S Department of Transportation | trfk-mhda | 13 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · data transportation gov | connector:data_transportation_gov@1.0.0 | |
| concepts[modality].local:modality:tabular | enrichment · data transportation gov | keyword-concept-rules@1.0.0 | title+description (65%) |
| concepts[topic].socrata_category:data_transportation_gov:roadways-and-bridges | source · data transportation gov | connector:data_transportation_gov@1.0.0 | |
| created_date | source · data transportation gov | connector:data_transportation_gov@1.0.0 | |
| description | source · data transportation gov | connector:data_transportation_gov@1.0.0 | /resource/description |
| license_text | source · data transportation gov | connector:data_transportation_gov@1.0.0 | |
| publication_date | source · data transportation gov | connector:data_transportation_gov@1.0.0 | |
| title | source · data transportation gov | connector:data_transportation_gov@1.0.0 | /resource/name |
| updated_date | source · data transportation gov | connector:data_transportation_gov@1.0.0 |