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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...

Local Bridges

Published by: Caltrans
Last updated: Thursday, August 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The bridge inventory data was obtained from Caltrans Structure Maintenance and Investigations (SM&I) Database as of 03/12/2024. Bridge inspectors ...

Public Airport

Published by: Caltrans
Last updated: Thursday, August 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point layer of Public Use Airports currently permitted by the State of California, Department of Transportation (Caltrans), Division of Tran...

Military Airport

Published by: Caltrans
Last updated: Thursday, August 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point layer of Military Airports currently permitted by the State of California, Department of Transportation (Caltrans), Division of Transp...

Hospital Heliports

Published by: Caltrans
Last updated: Thursday, August 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This Hospital Heliport point layer displays California hospital heliport locations with the links to the heliport info sheets that provide permitted a...

Safety Roadside Rest Areas

Published by: Caltrans
Last updated: Thursday, August 6, 2026
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...

Airport Boundaries

Published by: Caltrans
Last updated: Thursday, August 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

California Department of Transportation (Caltrans), Division of Transportation Planning, Aeronautics Program provided airport layout drawings with est...

Automated Weather Observation System

Published by: Caltrans
Last updated: Thursday, August 6, 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...