Data · dataset · 2025
Federal-aid Highway System Length by Functional System, 2000-2024 (HM-15)
Listed in U.S Department of Transportation
Annual road miles by functional system (National Highway System, other Federal-aid highways, and non-Federal-aid highways) and state for the 50 states, DC, and PR from the Highway Statistics Series table HM-15.
Description
Note
Missing 2009 and 2021.
Links
Get the data
- CSV data.transportation.gov/api/views/xdi8-z7ty/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/Federal-aid-Highway-System-Length-by-Func… ↗
landing page · from data transportation gov
Catalogue records · 1
- SODA API data.transportation.gov/resource/xdi8-z7ty.json ↗
metadata API · from data transportation gov
Topics
- Stated by source
- Roadways and Bridges
- From keywords
- Mathematics & Statistics
- Inferred from text
- Tabular 65%
Provenance · 1 source records, 10 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| U.S Department of Transportation | xdi8-z7ty | 9 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · data transportation gov | connector:data_transportation_gov@1.0.0 | |
| concepts[field].local:field:mathematics-statistics | mapping · 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 |