Beat The Traffic: The Right Traffic, at the Right Time: Interactive traffic maps and accident reports, including highway speed and incident information for five major California metropolitan areas.
California Bicycle Coalition: State-level bicycle advocacy
California Commuters Alliance (CCA): Advocacy organization of auto commuters. Site provides congestion and transportation infrastructure statistics, Pothole Hall of Fame, audio of radio advertisements, and FAQ.
California Department of Transportation (Caltrans): Information and news about transportation in California. Includes highway conditions, maps, live traffic videos, links to regional weather reports, and construction and highway design manuals.
California Driving -- A Survival Guide: An illustrated survival guide for tourists, travelers, and recent immigrants containing information, tips, and warnings, about driving in California.
California High Speed Rail Authority: state agency planning future high speed rail network
California Highway Patrol Traffic Incident Information: Live traffic incident information for California.
California State Automobile Association: CSAA is the American Automobile Association's Northern and Central California, Utah, and Nevada affiliate providing emergency roadside service, automotive services, travel services, and insurance services.
California Transit Association: Advocacy group in support of public transportation systems. Conferences, events, job postings, magazine, membership information, and links to related organizations.
California Transit Publications: Publishers of _California by Train, Bus and Ferry_, a guidebook on public transportation in California, also offer schedule and website design for transit agencies.
California Trolleys: Picture gallery of historic trolley lines and equipment in California. Links to historical and current trolley related sites.
David Levinson's High Speed Rail Fact Sheet: Argues against the proposed California High Speed Rail system.
Highway Conditions in California: Current highway conditions for all California highways, provided by Caltrans.
Hire Air: Charter flights to/from Central Valley airports.
MyJets Corporation: Provides weekly charter flights on set routes in California, based on Fractional Seat Ownership model.
Sigalert! Freeway Traffic Advisories: History and development of the "SigAlert" traffic advisory system, by Loyd Sigmon of KMPC, first used LAPD and later, the CHP.
SigAlert.com - Live Traffic Updates: Live freeway speed maps and traffic incident summaries over the web and your wireless phone. Personalized traffic alerts sent to wireless phone, and pager.
Smart Traveler: Transportation options in California, from bike routes to airports. Maintained by CalTrans.
Surface Transportation Policy Project California: Advocates mass transit, bicycle and pedestrian projects, and compact development
Traffic Advisory News Network: Provides real time traffic congestion maps for California and other US cities. Includes tips, alerts, commuter support, and WiFi hot spots.
Train Riders Association of California (TRAC): Non-profit organization dedicated to expansion and improvement of passenger rail service.
VPSI Commuter Vanpools: Serving commuters in more than 60 urban areas across the U.S, including all of California's major metro areas.
Western Transit: Monthly publication about bus & rail transportation in the Western US, focusing on California. Also PUC, Roster of the Month and Equipment Report.