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4 datasets

National Highway System

Published by: Caltrans
Last updated: Sunday, February 16, 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...

State Highway Network Lines

Published by: Caltrans
Last updated: Sunday, February 16, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

StateHighways is used to display state highways on a digital map display. Each record represents a segment of California state highway where the count...

State Highway Network Postmiles Tenth

Published by: Caltrans
Last updated: Sunday, February 16, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Postmiles is used to display postmile locations on a digital map display, or to query for the purposes of finding a specific location reference by cou...

Bottlenecks

Published by: Caltrans
Last updated: Sunday, February 16, 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...