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71 datasets
Highway Rail Crossing
- Published by: Caltrans
- Last updated: Wednesday, September 30, 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: Wednesday, September 30, 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...
Regional Transportation Planning Agencies (RTPA)
- Published by: Caltrans
- Last updated: Wednesday, September 30, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The RTPA polygon feature class provides California Regional Transportation Planning Agencies (RTPA) legislative boundaries, primarily for regional pla...
National Highway System
- Published by: Caltrans
- Last updated: Wednesday, September 30, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The National Highway System consists of a network of roads important to the economy, defense and mobility. On October 1, 2012 the existing National Hi...
2024 Crash Data on State Highway System
- Published by: Caltrans
- Last updated: Tuesday, October 6, 2026
- 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 Crash Data on State Highway System
- Published by: Caltrans
- Last updated: Tuesday, October 6, 2026
- 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: Tuesday, October 6, 2026
- 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: Tuesday, October 6, 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: Tuesday, October 6, 2026
- 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: Tuesday, October 6, 2026
- File types: CSV
Named Freeways, Highways, Structures and Other Appurtenances in California Publication Named Freeways, Highways, Structures and Other Appurtenances in...