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38 datasets

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...

2020 Adjusted Urban Area

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Caltrans is responsible for the decennial production of the Adjusted Urban Area Boundaries for the State of California. The CA 2020 adjusted urban are...

Maintenance Facilites

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Freight and Passenger maintenance facilities in California....

Express Lanes

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California HOV/Express Lane Business Plan is a framework for Caltrans and its partners to focus statewide activity during 2009-2011 that will lead...

High Occupancy Vehicle

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
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...

Public Road Functional Classification

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
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...

Annual Average Daily Traffic

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Annual average daily traffic is the total volume for the year divided by 365 days. The traffic count year is from October 1st through September 30th. ...

Closed Circuit Television

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Closed Circuit Television (CCTV) files provided below describe the location and status of each Caltrans' CCTV located on the State Highway Network...

Freight Classification Yards

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Classification yards and major switching facilities are rail yards used to separate cars onto multiple tracks....

Freight Intermodal Facilities

Published by: Caltrans
Last updated: Tuesday, October 21, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Intermodal Freight facility locations are transfer points to move freight from ship to rail or truck....