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
58 datasets
Climate Vulnerability and Risk Assessment Riverine Flood Risk
- Published by: Caltrans
- Last updated: Friday, June 19, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
2026 Caltrans Climate Vulnerability and Risk Assessment (CCVRA). Asset properties, riverine flooding exposure indicators, and risk components and rati...
Climate Vulnerability and Risk Assessment Wildfire Risk
- Published by: Caltrans
- Last updated: Friday, June 19, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
2026 Caltrans Climate Vulnerability and Risk Assessment (CCVRA). Asset properties, wildfire exposure indicators, and risk components and ratings for S...
State Highway System Intersection
- Published by: Caltrans
- Last updated: Friday, June 19, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
As part of the Transportation System Network Replacement Project (TSNR), Highway Inventory module data migration, it was determined Caltrans would be ...
Average Transit Speeds by Stop
- Published by: Caltrans
- Last updated: Friday, June 19, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
All day and peak transit 20th, 50th, and 80th percentile speeds on segments estimated on a single day for all CA transit operators that provide GTFS r...
Annual Average Daily Traffic
- Published by: Caltrans
- Last updated: Friday, June 19, 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: Friday, June 19, 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: Friday, June 19, 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...