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51 datasets

Public Road Functional Classification

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

This Functional Classification dataset was exported from Caltrans Linear Reference System (LRS) on July 3rd, 2024. The LRS serves as the framework upo...

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...

California All Public Roads Network

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

The Caltrans All Roads Linear Referencing Services (LRS) dataset provides the base geometry for federally required Highway Performance Monitoring Syst...

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...

California Metropolitan Planning Organization (MPO)

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

This dataset contains the geographic boundaries of Metropolitan Planning Organizations (MPO) and is intended for metropolitan area multimodal transpor...

State Highway Network Lines

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

StateHighways are state highways based upon the Caltrans Linear Referencing System. Each record in this layer represents a highway segment where the c...

California Road Sharing (CaRS) Initiative Partnerships

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

Purpose of this dataset is to show CA counties that are involved in the CaRS program. This dataset shows contact information and data partnership info...

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...

High Occupancy Vehicle

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

High-Occupancy Vehicle (HOV) lane, also known as the carpool or diamond lane, is a traffic management strategy to promote and encourage ridesharing; t...