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56 datasets

State Highway Network Lines

Published by: Caltrans
Last updated: Thursday, July 23, 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...

Hospital Heliports

Published by: Caltrans
Last updated: Thursday, July 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This Hospital Heliport point layer displays California hospital heliport locations with the links to the heliport info sheets that provide permitted a...

Caltrans Vista Points

Published by: Caltrans
Last updated: Thursday, July 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Vista points are informal pullouts where motorists can safely view scenery or park and relax. They do not include rest rooms. Vista points may have fa...

California Road Sharing (CaRS) Initiative Partnerships

Published by: Caltrans
Last updated: Thursday, July 23, 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...

Annual Average Daily Traffic

Published by: Caltrans
Last updated: Thursday, July 23, 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. ...

Truck Average Daily Traffic

Published by: Caltrans
Last updated: Thursday, July 23, 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...

Bottlenecks

Published by: Caltrans
Last updated: Thursday, July 23, 2026
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...

Caltrans Districts

Published by: Caltrans
Last updated: Thursday, July 23, 2026
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...

State Highway System Intersection

Published by: Caltrans
Last updated: Thursday, July 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

As part of the Transportation System Network Replacement Project (TSNR), Highway Inventory module data migration, it was determined Caltrans would be ...

Commercial Vehicle Enforcement Facilities

Published by: Caltrans
Last updated: Thursday, July 23, 2026
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...