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44 datasets

High Occupancy Vehicle

Published by: Caltrans
Last updated: Wednesday, October 8, 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: Wednesday, October 8, 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: Wednesday, October 8, 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: Wednesday, October 8, 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...

National Highway System

Published by: Caltrans
Last updated: Wednesday, October 8, 2025
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 Classification Yards

Published by: Caltrans
Last updated: Tuesday, October 7, 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: Wednesday, October 8, 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....

Truck Average Daily Traffic

Published by: Caltrans
Last updated: Tuesday, October 7, 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 truck count year is from October 1st through September 30th. Ve...

Caltrans Districts

Published by: Caltrans
Last updated: Wednesday, October 8, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The District boundary definitions are primarily based on the California county boundaries. The Board of Equalization (BOE) County and City Boundary we...

Commercial Vehicle Enforcement Facilities

Published by: Caltrans
Last updated: Wednesday, October 8, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

A Commercial Vehicle Enforcement Facility (CVEF) commonly called a Weigh Station (WS) is a checkpoint typically located directly off the State highway...