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56 datasets

Automated Weather Observation System

  • Published by: Caltrans
  • Last updated: Saturday, July 25, 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...

2024 Named Freeways, Highways, Structures and Other Appurtenances in California

  • Published by: Caltrans
  • Last updated: Monday, June 8, 2026
  • File types: CSV

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

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...