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497 datasets

High Quality Transit Stops

Published by: Caltrans
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Use GTFS schedule trips, stop_times, shapes, and stops to estimate whether corridor segments have scheduled headways of 20 minutes or less....

High Quality Transit Areas

Published by: Caltrans
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Use GTFS schedule trips, stop_times, shapes, and stops to estimate whether corridor segments have scheduled headways of 20 minutes or less....

Park and Ride

Published by: Caltrans
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Park and Ride Lots offer a convenient and safe location to transfer from a single passenger vehicle to a local or regional transit bus, carpool, or va...

Public Airport

Published by: Caltrans
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point layer of Public Use Airports currently permitted by the State of California, Department of Transportation (Caltrans), Division of Tran...

OPA has moved

Published by: California Office of the Patient Advocate
Last updated: Monday, April 7, 2025
File types: HTML, ZIP

OPA has moved! Please update your bookmarks! CalHHS are pleased to announce that the Office of the Patient Advocate is now part of the new Center f...

Military Airport

Published by: Caltrans
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point layer of Military Airports currently permitted by the State of California, Department of Transportation (Caltrans), Division of Transp...

Early Development Project List

Published by: Caltrans
Last updated: Friday, October 31, 2025
File types: CSV, EXCEL (XLSX)

The project list serves as a resource to the public, stakeholders, and local communities to provide information on ongoing transportation projects cur...

Average Transit Speeds by Stop

Published by: Caltrans
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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

HELP Act Goals, Statewide and by CoC

Published by: California Interagency Council on Homelessness
Last updated: Wednesday, August 27, 2025
File types: CSV

The HELP Act Goals were developed by the California Interagency Council on Homelessness (Cal ICH), pursuant to Homeless Equity for Left Behind Populat...

Stream Habitat Reach Summary - Russian River [ds77]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Results of in-stream habitat surveys (Downie et al 1998 method), summarized by stream reach, for DFG surveys conducted between 1994 and 2001 (inclusiv...