Search results

38 datasets

Regional Transportation Planning Agencies

Published by: Caltrans
Last updated: Thursday, February 26, 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: Thursday, February 26, 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...

Highway Rail Crossing

Published by: Caltrans
Last updated: Thursday, February 26, 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: Thursday, February 26, 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...