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40 datasets

Automated Weather Observation System

Published by: Caltrans
Last updated: Friday, June 6, 2025
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...

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...

Bottlenecks

Published by: Caltrans
Last updated: Friday, June 6, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Bottleneck Mapping is a subproject of the Mobility Performance Report, which is one of the products of the Mobility Performance Reporting and Analysis...

2020 Adjusted Urban Area

Published by: Caltrans
Last updated: Friday, June 6, 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...

MPO Boundaries

Published by: Caltrans
Last updated: Friday, June 6, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The list of California Metropolitan Planning Organization is current as of February 2013, provided by Division of Transportation Planning, Office of R...

Express Lanes

Published by: Caltrans
Last updated: Friday, June 6, 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...

Maintenance Facilites

Published by: Caltrans
Last updated: Friday, June 6, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Freight and Passenger maintenance facilities in California....

Freight Classification Yards

Published by: Caltrans
Last updated: Friday, June 6, 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....

National Highway System

Published by: Caltrans
Last updated: Friday, June 6, 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...

Public Road Functional Classification

Published by: Caltrans
Last updated: Friday, June 6, 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...