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46 datasets

Express Lanes

Published by: Caltrans
Last updated: Tuesday, January 20, 2026
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...

Maintenance Facilites

Published by: Caltrans
Last updated: Tuesday, January 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Freight and Passenger maintenance facilities in California....

Public Road Functional Classification

Published by: Caltrans
Last updated: Tuesday, January 20, 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...

Annual Average Daily Traffic

Published by: Caltrans
Last updated: Tuesday, January 20, 2026
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. ...

High Occupancy Vehicle

Published by: Caltrans
Last updated: Tuesday, January 20, 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...

Closed Circuit Television

Published by: Caltrans
Last updated: Tuesday, January 20, 2026
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...

National Highway System

Published by: Caltrans
Last updated: Tuesday, January 20, 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...

Freight Intermodal Facilities

Published by: Caltrans
Last updated: Tuesday, January 20, 2026
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....

Freight Classification Yards

Published by: Caltrans
Last updated: Tuesday, January 20, 2026
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....

Truck Average Daily Traffic

Published by: Caltrans
Last updated: Tuesday, January 20, 2026
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 truck count year is from October 1st through September 30th. Ve...