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Federal dataTransportation
Highway Data Element Dictionary
Published by Office of Administration · Updated 07/15/2025
- Last updated
- 07/15/2025
- First published 10/24/2018
- Update frequency
- Not listed
- Formats
- 3
- CSV, JSON, XML
- Coverage
- Nationwide
- Federal data
About this dataset
This is list of data elements and their attributes that are used by data assets at the Federal Highway Administration.
Files and access
Links open the official government source
- CSV downloaddata.transportation.govCSV
- JSON (SODA API)data.transportation.govJSON
- XMLdata.transportation.govXML
API endpoint: https://data.transportation.gov/resource/nhvr-exvq.json
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Highway Data Element Dictionary?
- Office of Administration, part of Department of Transportation, publishes this dataset on DOT Data Hub.
- How often is it updated?
- The publisher does not list a schedule. The last update was on 07/15/2025.
- How do I download it?
- It is available as CSV, JSON, XML. Use the links in Files and access, which open the official government source.
Similar data from other publishers
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- Trail Centerline Data DictionaryLake County, IllinoisAn in-depth description of the Trail Centerline GIS dataset outlining terms of use, update frequency, attribute explanations, and more.Updated 03/23/2022
- Street Centerline Data DictionaryLake County, IllinoisAn in-depth description of the Street Centerline GIS dataset outlining terms of use, update frequency, attribute explanations, and more.Updated 03/23/2022
- Facility Site Data DictionaryLake County, IllinoisData Dictionary for Facility Site & Landmark data.Updated 03/23/2022
- Highways - Open DataState of Virginia · Bedford County - GIS PortalState Highways, Virginia Byways, and Virginia Scenic Parkway within Bedford County, VA and Town of Bedford, VA.CSVZIPGeoJSONKML+1Updated 10/07/2026
Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/24/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: DOT Data Hub and Data.gov · Last updated 10/24/2026 · Listing only; the data stays with the publisher
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