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52 datasets

State Highway Network Postmiles Tenth

  • Published by: Caltrans
  • Last updated: Tuesday, August 5, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Postmiles is used to display postmile locations on a digital map display, or to query for the purposes of finding a specific location reference by cou...

State Highway Network Lines

  • Published by: Caltrans
  • Last updated: Tuesday, August 5, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

StateHighways is used to display state highways on a digital map display. Each record represents a segment of California state highway where the count...

2021 Named Freeways, Highways, Structures and Other Appurtenances in California

  • Published by: Caltrans
  • Last updated: Friday, December 13, 2024
  • File types: CSV

Named Freeways, Highways, Structures and Other Appurtenances in California Publication Named Freeways, Highways, Structures and Other Appurtenances i...

2022 Named Freeways, Highways, Structures and Other Appurtenances in California

  • Published by: Caltrans
  • Last updated: Friday, December 13, 2024
  • File types: CSV

Named Freeways, Highways, Structures and Other Appurtenances in California Publication Named Freeways, Highways, Structures and Other Appurtenances in...

2020 Adjusted Urban Area

  • Published by: Caltrans
  • Last updated: Tuesday, August 5, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Caltrans is responsible for the decennial production of the Adjusted Urban Area Boundaries for the State of California. The CA 2020 adjusted urban are...

Rest Areas

  • Published by: Caltrans
  • Last updated: Tuesday, August 5, 2025
  • 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...

2022 Crash Data on State Highway System

  • Published by: Caltrans
  • Last updated: Friday, November 15, 2024
  • File types: CSV

The Crash Data On California State Highways Report is produced annually by the California Department of Transportation (Caltrans) to provide high leve...

Closed Circuit Television

  • Published by: Caltrans
  • Last updated: Tuesday, August 5, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Closed Circuit Television (CCTV) files provided below describe the location and status of each Caltrans' CCTV located on the State Highway Network...

Truck Average Daily Traffic

  • Published by: Caltrans
  • Last updated: Tuesday, August 5, 2025
  • 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...

Park and Ride

  • Published by: Caltrans
  • Last updated: Tuesday, August 5, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Park and Ride Lots offer a convenient and safe location to transfer from a single passenger vehicle to a local or regional transit bus, carpool, or va...