All Nighter (night bus service)

The All Nighter is a night bus service network in the San Francisco Bay Area, California. Portions of the service shadow the rapid transit and commuter rail services of BART and Caltrain, which are the major rail services between San Francisco, the East Bay, the Peninsula, and San Jose. BART and Caltrain do not operate owl service so that track maintenance can be performed; the All Nighter network helps fill this service gap. The slogan is, "Now transit stays up as late as you do!"

The service launched initially in December 2005, and fully launched in March 2006. BART and Caltrain riders who previously faced uncoordinated substitute bus transit service after midnight can now take advantage of the coordinated All Nighter bus service.

The service is operated by AC Transit, Muni, SamTrans, and VTA. The agencies have a network of timed transfers, and half-hourly weekend service was implemented between downtown San Francisco and several BART stations along the Richmond and Fremont lines. AC Transit Route 800 operates along Market Street in San Francisco; this is the first AC Transit route to operate anywhere within San Francisco beyond the Transbay Terminal.

The service is funded by Regional Measure 2, which voters approved in 2004. The measure increased tolls by $1 on state-owned bridges in the Bay Area.

The All Nighter service initially included County Connection Route 820, which operated between downtown Oakland and central Contra Costa County. This route was discontinued in December 2008 due to budgetary problems and low ridership. It also included WHEELS Route 810, which operated between Bay Fair BART in San Leandro and Livermore via Dublin/Pleasanton BART. This route was discontinued in June 2009 due to budgetary problems and low ridership. Additional service from Bay Fair BART to Castro Valley BART via AC Transit Route 880 was discontinued in March 2010 due to that agency's budgetary problems. Weekend service to Pittsburg/Bay Point BART via AC Transit Line 822 was discontinued in December 2015 due to low ridership.

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