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46 datasets

Highway Rail Crossing

  • Published by: Caltrans
  • Last updated: Tuesday, March 10, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The PUC data contains a [grade] attribute that allows for the isolation of at-grade crossings. There are 10,478 at-grade records in the most recent PU...

Automated Weather Observation System

  • Published by: Caltrans
  • Last updated: Tuesday, March 10, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer was created from the California Aviation System Plan list of Automated Weather Observation Systems. The upgrades and distribution of Automa...

2023 Crash Data on State Highway System

  • Published by: Caltrans
  • Last updated: Thursday, July 3, 2025
  • 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...

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...

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...

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...