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AC Transit

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Alameda-Contra Costa Transit District
Image:ACTransit.png
Locale East Bay, California
Transit type Bus
Began operation 1960
No. of lines 105
Daily ridership 215,000
Operator Alameda-Contra Costa Transit District

AC Transit (in full, Alameda-Contra Costa Transit District) is a regional bus agency serving parts of Alameda County and Contra Costa County in the western coastal area of the East Bay of the San Francisco Bay Area. In addition, AC Transit runs "Transbay" routes across San Francisco Bay to the city of San Francisco, and selected areas in San Mateo County and Santa Clara County.

AC Transit is constituted as a special district under California law. It is governed by seven elected members (five from geographic wards and two at-large). It is not a part of the Alameda or Contra Costa county governments, although the initials "AC" are often mistaken to mean "Alameda County."

The district is the public successor to the privately owned Key System.

Route 76 bus at an El Cerrito del Norte BART station bus bay with bike mounted
Route 76 bus at an El Cerrito del Norte BART station bus bay with bike mounted

Contents

Bus service

AC Transit bus stop at Bay Fair Station
AC Transit bus stop at Bay Fair Station

The district encompasses the following cities and unincorporated areas: Oakland, Fremont, Hayward, Berkeley, Richmond, San Leandro, Alameda, Castro Valley, Newark, San Pablo, El Cerrito, San Lorenzo, Ashland, Albany, Cherryland, El Sobrante, Piedmont, Fairview, Emeryville, Kensington, and East Richmond Heights. The district's bus lines also serve parts of some other East Bay communities, including Milpitas, Pinole, and Union City.

AC Transit serves many colleges and universities including the University of California, Berkeley; Stanford University; California State University, East Bay; and Mills College.

Most routes connect with regional train service, primarily BART (Bay Area Rapid Transit), in addition to ACE and Amtrak, including (among other trains) the Capitol Corridor. AC Transit routes also connect with several other regional transit services, including Union City Transit, SamTrans, WestCAT, the Santa Clara Valley Transportation Authority, San Francisco Municipal Railway, Golden Gate Transit, the Alameda-Oakland Ferry, the Harbor Bay Ferry, and Emery Go Round.

AC Transit serves Oakland International Airport with lines 50 (most hours of the day and night) and 805 (1 a.m. to 5 a.m.).

While most AC Transit service consists of local lines throughout the East Bay, the district also provides many transbay lines. Most of these run across the San Francisco-Oakland Bay Bridge to connect communities as distant as El Sobrante and Newark with San Francisco's Transbay Terminal (formerly the terminus of the Key System).

Bus service is also provided across the bridges to the south. In 2003, the district introduced a San Mateo-Hayward Bridge route, Line M, to connect the BART stations of Castro Valley and Hayward with Foster City and San Mateo's Hillsdale Boulevard Caltrain station. A second San Mateo-Hayward Bridge route, Line MA, was added in 2006 and discountiued in 2007. (The M replaced the SamTrans 90E, which had been sharply reduced in the mid-1990s and was canceled altogether in 1999.) Across the Dumbarton Bridge, AC Transit operates, under contract with a consortium of transit agencies (including AC Transit itself as well as BART, SamTrans, Santa Clara Valley Transportation Authority, and Union City Transit), the Dumbarton Express, a series of bus lines connecting the Union City BART station with East Palo Alto, Menlo Park, Palo Alto, and Stanford University. Additionally, the district in 2004 began another Dumbarton Bridge route, Line U, a commute-hour service linking Stanford with ACE trains and the Fremont BART station.

Image:AC Transit 95 at BART.jpg
An older AC Transit Line 95 bus at Hayward BART in Hayward


In 2003, AC Transit created a new bus rapid transit line operating on San Pablo Avenue. Designated as Route 72R (or San Pablo Rapid), it runs between 6 a.m. and 7 p.m. at a 12-minute frequency with stops 2/3 mile apart, running between Jack London Square and Contra Costa College. The line uses no timepoints and instead allows buses to travel along the route as fast as traffic allows. This supplements multiple stop routes 72 and 72M (renamed from 73). Following the success of this experiment, similar lines elsewhere in the region are being planned. The corridor between downtown Berkeley and Bay Fair BART on Telegraph Ave., International Blvd., and East 14th St. has been selected for expansion of this service on a new line.[1] Designated as Route 1R (or International Rapid), it was launced June 24, 2007 alongside a supplemented multiple stop Route 1, replacing heritage multiple and limited stop routes 40(L), 43 and 82(L). [2]

For years AC Transit provided 24 hour service on its trunk lines (except in the late 1990's due to budget cuts). Beginning December 10, 2005, the district began supplementing BART service, which does not run between midnight and 5 AM, by participating in the All-Nighter Network.

Route designations

Image:ACTrans 51.jpg
A new Van Hool bus on the 51 route in Berkeley

AC Transit has several different divisions of bus line designations with different ranges of numbers for differently-purposed routes. In general, since its inception, AC Transit transbay lines have been lettered, and local lines have been numbered, some with letter suffixes attached. Many of these were inherited directly from the predecessor Key System, and in varying degrees, follow the original routes. The transbay letter designations originated as a means of distinguishing the Key System's transbay trains from those of the Southern Pacific's which were numbered.[citation needed]

AC Transit uses a number of suffixes – L for limited stops, R for Rapid (stop every ⅔ of a mile) service, and X for express (long distance and/or commuter service with long areas of no stops, notably freeways). Some routes have a variation that adds an additional length or loop in the route, and those trips are delineated with a different suffixed letter. Currently "A" and "M" are in use.

Local routes (1-99) also serve as "origins" of many route numbers in the hundreds. For example, a school line that follows much of the path of the 68 would usually be designated the 668. This pattern is used on a majority of 300, 600, and 800 series buses, but many have no corresponding regular route number. In lettered routes, numbered suffixes are sometimes used, such as NX3 for a variation of the NX line. Just because a certain range of numbers is reserved for a certain use does not mean that all the numbers/letters are in use.

  • 1-99 – Local service routes operating in the East Bay service area, largely outside Fremont and Newark.
  • 200-299 – Local service routes operating in the East Bay service area, primarily in Fremont and Newark.
  • 300-399 – Special service routes. These include late-night service, event service (i.e. seasonal service to the Golden Gate Fields horse racing track), and shuttle service between shopping malls and train stations. Many of these routes also operate only one or two days a week, or only during the morning or evening. Some, such as the 376, combine the popular segments of several routes and run after those routes cease running for the day since running the full lines would not attract sufficient passengers.
  • 600-699 – Lines serving public and private schools, including high schools, middle/junior high schools, and some elementary schools. These lines operate on school days only and are open to all riders at regular fares.
  • 800-899 – Lines that are part of the All-Nighter Network.
  • A-Z – Transbay lines: lines that cross the Oakland-San Francisco Bay Bridge, the San Mateo Bridge, or the Dumbarton Bridge connecting the East Bay with San Francisco, San Mateo, and Palo Alto, respectively. All Transbay routes are lettered, with the 800 being the sole exception.

Fares

See also AC Transit's page on fares.

Local

Fare category Cash 10-Ride Ticket 31-Day Ticket
Adult local US$1.75 US$17.50 US$70.00
Youth (5-17) local US$0.85 US$8.50 US$15.00
Senior (65+) & disabled local US$0.85 US$8.50 US$20.00
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