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41 datasets

State Highway Bridges

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

The bridge inventory data was obtained from Caltrans Structure Maintenance and Investigations (SM&I) Database as of 03/12/2024. Bridge inspectors ...

Average Transit Speeds by Stop

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

All day and peak transit 20th, 50th, and 80th percentile speeds on stop segments estimated on a single day for all CA transit operators that provide G...

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...

High Occupancy Vehicle

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

Maintenance Facilites

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

Freight and Passenger maintenance facilities in California....

Annual Average Daily Traffic

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

Public Road Functional Classification

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

Express Lanes

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