Caltrans
Website: https://dot.ca.gov/
Caltrans manages more than 50,000 miles of California's highway and freeway lanes, provides inter-city rail services, permits more than 400 public-use airports and special-use hospital heliports, and works with local agencies. Caltrans carries out its mission of providing a safe, sustainable, integrated and efficient transportation system to enhance California’s economy and livability, with six primary programs: Aeronautics, Highway Transportation, Mass Transportation, Transportation Planning, Administration and the Equipment Service Center.
Search Caltrans datasets
57 datasets
High Quality Transit Stops
- Published by: Caltrans
- Last updated: Tuesday, May 12, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Use GTFS schedule trips, stop_times, shapes, and stops to estimate whether corridor segments have scheduled headways of 20 minutes or less....
High Quality Transit Areas
- Published by: Caltrans
- Last updated: Tuesday, May 12, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Use GTFS schedule trips, stop_times, shapes, and stops to estimate whether corridor segments have scheduled headways of 20 minutes or less....
Average Transit Speeds by Route
- Published by: Caltrans
- Last updated: Tuesday, May 12, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Provide average transit speeds, number of trips by route-direction....
Annual Average Daily Traffic
- Published by: Caltrans
- Last updated: Tuesday, May 12, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Annual average daily traffic is the total volume for the year divided by 365 days. The traffic count year is from October 1st through September 30th. ...
Truck Average Daily Traffic
- Published by: Caltrans
- Last updated: Tuesday, May 12, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Annual average daily traffic is the total volume for the year divided by 365 days. The truck count year is from October 1st through September 30th. Ve...
Safety Roadside Rest Areas
- Published by: Caltrans
- Last updated: Tuesday, May 12, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Caltrans provides Safety Roadside Rest Areas as a part of the State Highway System pursuant to Streets and Highways Code, Sections 218-226.5. Safety R...
Active Transportation Count Dataset
- Published by: Caltrans
- Last updated: Wednesday, February 18, 2026
- File types: PDF, XLSX, CSV
The Pedestrian and Bicycle Count Dataset documents non motorized traffic on state highways, originating from Caltrans district pilots initiated in 202...
2023 Named Freeways, Highways, Structures and Other Appurtenances in California
- Published by: Caltrans
- Last updated: Friday, November 14, 2025
- File types: CSV
Named Freeways, Highways, Structures and Other Appurtenances in California Publication Named Freeways, Highways, Structures and Other Appurtenances in...
Early Development Project List
- Published by: Caltrans
- Last updated: Friday, October 31, 2025
- File types: CSV, EXCEL (XLSX)
The project list serves as a resource to the public, stakeholders, and local communities to provide information on ongoing transportation projects cur...
California All Public Roads Network
- Published by: Caltrans
- Last updated: Tuesday, May 12, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The Caltrans All Roads Linear Referencing Services (LRS) dataset provides the base geometry for federally required Highway Performance Monitoring Syst...