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AC Transit (Alameda-Contra Costa Transit District) is an
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay A ...
-based public transit agency serving the western portions of
Alameda An alameda is a Avenue (landscape), street or path lined with trees () and may refer to: Places Canada *Alameda, Saskatchewan, town in Saskatchewan **Grant Devine Dam, formerly ''Alameda Dam'', a dam and reservoir in southern Saskatchewan Chile ...
and Contra Costa counties in the
East Bay The East Bay is the eastern region of the San Francisco Bay Area and includes cities along the eastern shores of the San Francisco Bay and San Pablo Bay. The region has grown to include inland communities in Alameda and Contra Costa countie ...
of the
San Francisco Bay Area The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area Go ...
. AC Transit also operates "Transbay" routes across
San Francisco Bay San Francisco Bay is a large tidal estuary in the U.S. state of California, and gives its name to the San Francisco Bay Area. It is dominated by the big cities of San Francisco, San Jose, and Oakland. San Francisco Bay drains water from a ...
to
San Francisco San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of Ca ...
and selected areas in San Mateo and Santa Clara counties. 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 or under the control of Alameda or Contra Costa counties or any local jurisdictions. Buses operate out of four operating divisions: Emeryville, East Oakland (Seminary), Hayward, and Richmond. The Operations Control Center is in Emeryville. The Richmond operating division closed in 2011, but opened again in early 2017 due to a revived economy. The District is the public successor to the privately owned
Key System The Key System (or Key Route) was a privately owned company that provided mass transit in the cities of Oakland, Berkeley, Alameda, Emeryville, Piedmont, San Leandro, Richmond, Albany, and El Cerrito in the eastern San Francisco Bay Area fr ...
. In , the system had a ridership of , or about per weekday as of .


Service area

The District encompasses the following cities and unincorporated areas:
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay A ...
, Fremont, Hayward,
Berkeley Berkeley most often refers to: *Berkeley, California, a city in the United States **University of California, Berkeley, a public university in Berkeley, California * George Berkeley (1685–1753), Anglo-Irish philosopher Berkeley may also refer ...
,
Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, California, ...
,
San Leandro San Leandro (Spanish for " St. Leander") is a city in Alameda County, California, United States. It is located in the East Bay of the San Francisco Bay Area; between Oakland to the northwest, and Ashland, Castro Valley, and Hayward to the sout ...
,
Alameda An alameda is a Avenue (landscape), street or path lined with trees () and may refer to: Places Canada *Alameda, Saskatchewan, town in Saskatchewan **Grant Devine Dam, formerly ''Alameda Dam'', a dam and reservoir in southern Saskatchewan Chile ...
,
Castro Valley Castro Valley is a census-designated place (CDP) in Alameda County, California, United States. At the 2010 census, it was the fifth most populous unincorporated area in California and the twenty-third most populous in the United States. The popula ...
,
Newark Newark most commonly refers to: * Newark, New Jersey, city in the United States * Newark Liberty International Airport, New Jersey; a major air hub in the New York metropolitan area Newark may also refer to: Places Canada * Niagara-on-the ...
, San Pablo, El Cerrito,
San Lorenzo San Lorenzo is the Italian and Spanish name for Lawrence of Rome, Saint Lawrence, the 3rd-century Christian martyr, and may refer to: Places Argentina * San Lorenzo, Santa Fe * San Lorenzo Department, Chaco * Monte San Lorenzo, a mountain on t ...
, Ashland, Albany, Cherryland, El Sobrante,
Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
, Fairview,
Emeryville Emeryville may refer to: * Emeryville, California Emeryville is a city located in northwest Alameda County, California, in the United States. It lies in a corridor between the cities of Berkeley and Oakland, with a border on the shore of San ...
,
Kensington Kensington is a district in the Royal Borough of Kensington and Chelsea in the West End of London, West of Central London. The district's commercial heart is Kensington High Street, running on an east–west axis. The north-east is taken up b ...
, and East Richmond Heights. The District's bus lines also serve parts of some other East Bay communities, including
Milpitas Milpitas (Spanish for "little milpas") is a city in Santa Clara County, California, in Silicon Valley. As of the 2020 census, the city population was 80,273. The city's origins lie in Rancho Milpitas, granted to Californio ranchero José Marí ...
,
Pinole Pinole, also called pinol or pinolillo, is roasted ground maize, which is then mixed with a combination of cocoa, agave, cinnamon, chia seeds, vanilla, or other spices. The resulting powder is then used as a nutrient-dense ingredient to make di ...
, and Union City. AC Transit serves many colleges and universities including the
University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...
;
Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is consider ...
;
California State University, East Bay California State University, East Bay (Cal State East Bay, CSU East Bay, or CSUEB) is a public university in Hayward, California. The university is part of the 23-campus California State University system and offers 136 undergraduate and 60 pos ...
;
Chabot College Chabot College (Chabot or CC) is a public community college in Hayward, California. It is part of the Chabot-Las Positas Community College District. History Chabot College was the first college opened by the Chabot- Las Positas Community Colle ...
;
Holy Names University Holy Names University is a private Roman Catholic university in Oakland, California. It was founded by and remains affiliated with the Sisters of the Holy Names of Jesus and Mary. It was founded in 1868 and plans to close in 2023. History The ...
; Peralta Colleges (
Laney College Laney College is a Public college, public community college in Oakland, California. Laney is the largest of the four colleges of the Peralta Community College District which serves northern Alameda County, California, Alameda County. Laney Coll ...
,
College of Alameda College of Alameda is a public community college in Alameda, California. It is part of the Peralta Community College District and was opened in 1968. Since 1970 the college has held classes on a 62-acre campus at the intersection of Webster Stre ...
,
Berkeley City College Berkeley City College (BCC, formerly Vista Community College) is a public community college in Berkeley, California. It is part of the California Community Colleges System and the Peralta Community College District. Berkeley City College is accre ...
, and Merritt College),
Contra Costa College Contra Costa College is a public community college in San Pablo, California. It is the west campus of the Contra Costa Community College District. It is part of the California community colleges system, one of the three college systems in Califor ...
;
Ohlone College Ohlone College (Ohlone or OC) is a public community college with its main campus in Fremont, California and a second campus in Newark. It is part of the California Community College System. The Ohlone Community College District serves the cit ...
;
Northwestern Polytechnic University Northwestern Polytechnic University (NPU) is a private, non profit university in Fremont, California. Founded in 1984, the university awards bachelor's and master's degrees in computer science, engineering, technology and management programs. ...
; and
Mills College Mills College at Northeastern University is a private college in Oakland, California and part of Northeastern University's global university system. Mills College was founded as the Young Ladies Seminary in 1852 in Benicia, California; it was ...
. Most routes connect with regional train service, primarily BART (
Bay Area Rapid Transit Bay Area Rapid Transit (BART) is a rapid transit system serving the San Francisco Bay Area in California. BART serves 50 stations along six routes on of rapid transit lines, including a spur line in eastern Contra Costa County which uses ...
), in addition to
ACE An ace is a playing card, die or domino with a single pip. In the standard French deck, an ace has a single suit symbol (a heart, diamond, spade, or club) located in the middle of the card, sometimes large and decorated, especially in the c ...
and
Amtrak The National Railroad Passenger Corporation, Trade name, doing business as Amtrak () , is the national Passenger train, passenger railroad company of the United States. It operates inter-city rail service in 46 of the 48 contiguous United Stat ...
, including (among other trains) the
Capitol Corridor The ''Capitol Corridor'' is a passenger train route in Northern California operated by Amtrak between San Jose, in the Bay Area, and Auburn, in the Sacramento Valley. The route is named after the two points most trains operate between, San J ...
. AC Transit routes also connect with several other regional transit services, including Union City Transit,
SamTrans SamTrans (stylized as samTrans; officially the San Mateo County Transit District) is a public transport agency in and around San Mateo, California, in the San Francisco Bay Area. It provides bus service throughout San Mateo County and into port ...
,
WestCAT WestCAT is a public transportation service in western Contra Costa County (north of Oakland, CA). It is a service of the Western Contra Costa Transit Authority. The Western Contra Costa County Transit (WestCAT) was established in August 1977 as ...
, the
Santa Clara Valley Transportation Authority The Santa Clara Valley Transportation Authority, more commonly known simply as the Valley Transportation Authority (VTA), is a special district responsible for public transit services, congestion management, specific highway improvement project ...
(VTA),
San Francisco Municipal Railway The San Francisco Municipal Railway (SF Muni or Muni), is the public transit system for the City and County of San Francisco. It operates a system of bus routes (including trolleybuses), the Muni Metro light rail system, three historic cable ...
(Muni),
Golden Gate Transit Golden Gate Transit (GGT) is a public transportation system serving the North Bay region of the San Francisco Bay Area in California, United States. It primarily serves Marin County, Sonoma County, and San Francisco, and also provides limited s ...
, the Alameda-Oakland Ferry, the Harbor Bay Ferry, Emery Go Round,
SolTrans SolTrans, officially Solano County Transit, is a Joint Powers Authority that provides public transportation service to the southern Solano County cities of Vallejo and Benicia. SolTrans was established in 2011 and is the result of a merger bet ...
and FAST. While most AC Transit service consists of local lines throughout the
East Bay The East Bay is the eastern region of the San Francisco Bay Area and includes cities along the eastern shores of the San Francisco Bay and San Pablo Bay. The region has grown to include inland communities in Alameda and Contra Costa countie ...
, the District also provides many Transbay lines. Most of these run across the
San Francisco–Oakland Bay Bridge The San Francisco–Oakland Bay Bridge, known locally as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. As part of Interstate 80 in California, Interstate 80 and the direct road between San Francisco and Oakland ...
to connect communities as distant as El Sobrante and
Newark Newark most commonly refers to: * Newark, New Jersey, city in the United States * Newark Liberty International Airport, New Jersey; a major air hub in the New York metropolitan area Newark may also refer to: Places Canada * Niagara-on-the ...
with
San Francisco San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of Ca ...
's
Transbay Transit Center The Transbay Transit Center (officially the Salesforce Transit Center for sponsorship purposes) is a transit station in downtown San Francisco. It serves as the primary bus terminal — and potentially as a future rail terminal — for the San ...
. Bus service is also provided across the San Mateo and Dumbarton bridges to the south.


Hubs

AC Transit's primary hubs include
BART Bart is a masculine given name, usually a diminutive of Bartholomew, sometimes of Barton, Bartolomeo, etc. Bart is a Dutch and Ashkenazi Jewish surname, and derives from the name ''Bartholomäus'', a German form of the biblical name ''Barthol ...
stations, major shopping centers, and points of interest, which are spread throughout the East Bay. Most routes serve and/or terminate at BART stations. The hubs include: * 12th St. Oakland City Center BART * Ashby BART * Bay Fair BART * Castro Valley BART *
Chabot College Chabot College (Chabot or CC) is a public community college in Hayward, California. It is part of the Chabot-Las Positas Community College District. History Chabot College was the first college opened by the Chabot- Las Positas Community Colle ...
*
Contra Costa College Contra Costa College is a public community college in San Pablo, California. It is the west campus of the Contra Costa Community College District. It is part of the California community colleges system, one of the three college systems in Califor ...
* Coliseum BART/Amtrak * Downtown Berkeley BART * Eastmont Transit Center * El Cerrito del Norte BART *
El Cerrito Plaza BART El Cerrito Plaza station is a Bay Area Rapid Transit (BART) station in El Cerrito, California, located adjacent to the El Cerrito Plaza shopping center. It primarily serves southern El Cerrito, northern Albany, and Kensington, along with nearb ...
* Fremont BART *
Fruitvale BART ''Fruitvale Station'' is a 2013 American biographical drama film written and directed by Ryan Coogler. It is Coogler's feature directorial debut and is based on the events leading to the death of Oscar Grant, a young man killed in 2009 by Bay A ...
* Hayward BART *
Hillsdale Caltrain Station Hillsdale station is one of three Caltrain stations in San Mateo, California. The station is next to the Bay Meadows neighborhood and close to the Hillsdale Shopping Center. History Bay Meadows station Until it was closed on December 20, 2005 ...
*
Hilltop Mall Hilltop Horizon, formerly known as Hilltop Mall, East Bay Science and Technology Center and The Shops At Hilltop, was a regional shopping center in the Hilltop neighborhood of Richmond, California. Hilltop is managed and co-owned by Prologis ...
* Lake Merritt BART * MacArthur BART * Milpitas BART *
NewPark Mall NewPark Mall is a super-regional mall in Newark, California. Opened in August 1980, it currently houses 119 stores. It serves the Tri-City area ( Fremont, Newark and Union City). The mall underwent extensive renovations that were completed in e ...
*
Oakland International Airport Oakland International Airport is an international airport in Oakland, California, United States, 10 miles (16 km) south of downtown located in the San Francisco Bay Area. It is owned by the Port of Oakland and has domestic passenger f ...
* Richmond BART/Amtrak *
Richmond Parkway Transit Center The Richmond Parkway Transit Center or RPTC is a park and ride lot and bus terminal located in Richmond, California. It is named after the adjacent Richmond Parkway. It serves as a transfer point for the WestCAT and AC Transit. It is located on th ...
* Rockridge BART *
Transbay Transit Center The Transbay Transit Center (officially the Salesforce Transit Center for sponsorship purposes) is a transit station in downtown San Francisco. It serves as the primary bus terminal — and potentially as a future rail terminal — for the San ...
* San Leandro BART * South Hayward BART * Southland Mall * Union City BART * Uptown Transit Center ( 19th Street/Oakland BART) * Warm Springs/South Fremont BART * West Oakland BART


Routes

Much of AC transit's ridership is skewed heavily towards a few heavily trafficked local (as opposed to trans-bay) routes. As of 2013, the top five routes account for a third of all riders, and the top twelve routes account for more than half.


Timeline

Voters created the Alameda-Contra Costa Transit District (AC Transit) in 1956 and subsequently approved a $16.5 million bond issue in 1959 enabling the District to buy out the failing privately owned Key System Transit Lines. In October 1960, AC Transit's service began. The new District built up the bus fleet with 250 new “transit liner” buses, extended service into new neighborhoods, created an intercity express bus network, and increased Bay Bridge bus service. In 2003, the District introduced a San Mateo-Hayward Bridge route. Designated as Line M, the service connected the BART stations of
Castro Valley Castro Valley is a census-designated place (CDP) in Alameda County, California, United States. At the 2010 census, it was the fifth most populous unincorporated area in California and the twenty-third most populous in the United States. The popula ...
and Hayward with
Foster City Foster City is a city located in San Mateo County, California. The 2020 census put the population at 33,805, an increase of more than 10% over the 2010 census figure of 30,567. Foster City is sometimes considered to be part of Silicon Valley ...
and San Mateo's Hillsdale
Caltrain Caltrain (reporting mark JPBX) is a California commuter rail line serving the San Francisco Peninsula and Santa Clara Valley (Silicon Valley). The southern terminus is in San Jose at Tamien station with weekday rush hour service running as far ...
station. A second San Mateo-Hayward Bridge route, Line MA, was added in 2006 and discontinued in 2007. (The M replaced the
SamTrans SamTrans (stylized as samTrans; officially the San Mateo County Transit District) is a public transport agency in and around San Mateo, California, in the San Francisco Bay Area. It provides bus service throughout San Mateo County and into port ...
90E, which had been canceled in 1999.) On June 30, 2003, a new "rapid bus" line operating on San Pablo Avenue was introduced. Designated as Line 72R (or San Pablo Rapid), the service connected
Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay A ...
with
Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, California, ...
and operated at faster speeds than regular local service due to wide stop spacing and signal priority treatments. In 2004, the District began service on Line U across the Dumbarton Bridge, connecting
Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is consider ...
with
ACE An ace is a playing card, die or domino with a single pip. In the standard French deck, an ace has a single suit symbol (a heart, diamond, spade, or club) located in the middle of the card, sometimes large and decorated, especially in the c ...
and BART trains in Fremont. As part of a consortium of transit agencies (including AC Transit, BART, SamTrans, Union City Transit, and VTA), the District already operated
Dumbarton Express Dumbarton Express is a regional public transit service in the San Francisco Bay Area connecting Alameda, San Mateo, and Santa Clara Counties via the Dumbarton Bridge, the system's namesake. The bus service is funded by a consortium of five tra ...
bus service across the Dumbarton Bridge. Beginning December 10, 2005, AC Transit began participating in the regional All Nighter network, providing 24-hour bus service throughout its service area to supplement BART service, which does not operate during owl hours. AC Transit had provided 24-hour service on many of its trunk lines prior to this date, except in the late 1990s due to budget limitations. On July 30, 2007, AC Transit announced that it had entered into a 25-year partnership with
SunPower SunPower is an American provider of photovoltaic solar energy generation systems and battery energy storage products, primarily for residential customers. The company, headquartered in San Jose, California, was founded in 1985 by Richard Swa ...
, MMA Renewable Ventures, and
PG&E The Pacific Gas and Electric Company (PG&E) is an American investor-owned utility (IOU). The company is headquartered in the Pacific Gas & Electric Building, in San Francisco, California. PG&E provides natural gas and electricity to 5.2 milli ...
to install solar energy systems at its facilities in an effort to reduce its
carbon footprint A carbon footprint is the total greenhouse gas (GHG) emissions caused by an individual, event, organization, service, place or product, expressed as carbon dioxide equivalent (CO2e). Greenhouse gases, including the carbon-containing gases carbo ...
, improve local air quality, and save money on energy costs that could be used instead to spend on transit service. On March 28, 2010, several major service changes were implemented to reduce a severe budget shortfall. Changes included reduced service on local and Transbay lines, elimination of unproductive routes, splitting of the 51 into two sections (called as lines "51A" and "51B"), and the introduction of limited-stop line 58L (which, as of 2016, is discontinued). Starting in February 2011, all buses on Line 376 were being escorted by a marked Contra Costa County Sheriff's patrol vehicle through the unincorporated community of North Richmond. Line 376 provides late-night service through North Richmond and the nearby cities of Richmond, San Pablo, and
Pinole Pinole, also called pinol or pinolillo, is roasted ground maize, which is then mixed with a combination of cocoa, agave, cinnamon, chia seeds, vanilla, or other spices. The resulting powder is then used as a nutrient-dense ingredient to make di ...
. The escorts were introduced to improve the safety of the service, which had five serious incidents between 5 January and 9 February.North Richmond bus line gets police escort
Ted Trautman. Richmond Confidential. 24-02-2011. Retrieved 06-03-2011.
On December 13, 2013, AC Transit adopted a new fare policy that brought changes to the transit system July 2014, including a new day pass that is in line with other transit agencies including VTA and
SamTrans SamTrans (stylized as samTrans; officially the San Mateo County Transit District) is a public transport agency in and around San Mateo, California, in the San Francisco Bay Area. It provides bus service throughout San Mateo County and into port ...
. The policy is also designed to speed boarding and help keep buses on schedule, provide greater convenience and value for customers, and encourage more customers to switch to
Clipper A clipper was a type of mid-19th-century merchant sailing vessel, designed for speed. Clippers were generally narrow for their length, small by later 19th century standards, could carry limited bulk freight, and had a large total sail area. "C ...


Rapid Bus and Bus Rapid Transit

A rapid bus line was introduced on San Pablo Avenue on June 30, 2003. Designated as Line 72R (or San Pablo Rapid), it operates from 6 am to 7 pm at 12-minute intervals on weekdays, and 7 am to 7 pm at 15-minute intervals on weekends and holidays. Bus stops are spaced 2/3-mile apart on average, running between
Jack London Square Jack London Square is an entertainment and business destination on the waterfront of Oakland, California, United States. Named after the author Jack London and owned by the Port of Oakland, it is the home of stores, restaurants, hotels, Amtrak ...
(via 20th Street and Broadway) in Oakland and
Contra Costa College Contra Costa College is a public community college in San Pablo, California. It is the west campus of the Contra Costa Community College District. It is part of the California community colleges system, one of the three college systems in Califor ...
in San Pablo, and buses receive signal priority at several intersections. Although the line does have scheduled timepoints en route, most buses typically travel along the route as fast (or as slow) as traffic allows. On June 24, 2007, the success of line 72R made it a model for another rapid bus line that was introduced. Line 1R (or International Rapid) operated on weekdays between Berkeley Way and Oxford Street in Berkeley and Bay Fair BART station in San Leandro, mainly along
Telegraph Avenue Telegraph Avenue is a street that begins, at its southernmost point, in the midst of the historic downtown district of Oakland, California, and ends, at its northernmost point, at the southern edge of the University of California, Berkeley campu ...
, International Boulevard, and East 14th Street. Weekend and holiday service operated between Downtown Oakland and San Leandro only. Line 1R was discontinued on June 26, 2016. On August 9, 2020, the 1R was largely replaced by Tempo, AC Transit's new Bus Rapid Transit (BRT) route. Tempo operates between the Uptown Transit Center and the San Leandro BART station via International Boulevard and East 14th Street. It features 46 brand new platform stations (curbside and center-median) with dedicated bus lanes along the majority of the route. The Telegraph Avenue alignment of the 1R between the Uptown Transit Center and U.C. Berkeley is currently being served by local route 6.


Bus fleet

At its inception, AC Transit purchased the mixed White, Mack, and GM "old-look" bus fleet from its predecessor, the Key System. The ex-Key System buses were repainted in "clownface" livery, featuring a predominantly white (upper half) and orange (lower front) color scheme with teal side stripes, and AC Transit adopted a "wing" logo featuring the same colors. After its inception, the first new AC Transit orders were for
GM New Look bus The GM New Look bus is a municipal transit bus that was introduced in 1959 by the Truck and Coach Division of General Motors to replace the company's previous coach, retroactively known as the GM "old-look" transit bus. Also commonly known by ...
es, which the agency advertised as "Transit Liners". AC Transit began New Look operation in late 1960. AC Transit would continue to operate a mixed fleet of buses throughout the 1960s. AC Transit also pioneered the use of
articulated bus An articulated bus, also referred to as a banana bus, bendy bus, tandem bus, vestibule bus, wiggle wagon, stretch bus, or an accordion bus, (either a motor bus or trolleybus) is an articulated vehicle used in public transportation. It is usua ...
es in the United States; in March 1966 it was the first transit agency to use the Super Golden Eagle long-distance coach (originally designed and built for
Continental Trailways The Trailways Transportation System is an American network of approximately 70 independent bus companies that have entered into a brand licensing agreement. The company is headquartered in Fairfax, Virginia. History The predecessor to Trailwa ...
; AC Transit designated it XMC-77 and called it the "Freeway Train"), primarily on Transbay service. By 1970, AC Transit was one of six agencies to participate in a "super bus project" coordinated by the National Transportation Center (Pittsburgh) to write a specification for a higher-capacity bus; once the specification had been written, two prototypes would be built and tested to select a winner for a large group procurement of 100 buses to keep per-unit costs low. Two European-built articulated buses were tested in the summer of 1974: a
Volvo B58 The Volvo B58 was a mid-engined bus chassis manufactured by Volvo in Sweden from 1966 until early 1982. It was succeeded by the B10M. Operators In the United Kingdom, it was sold to many major operators including Wallace Arnold and Park's of H ...
, and a . Riders received the M.A.N. bus favorably, and the specification was released for bid in 1975; AC Transit placed an order for 30 buses in 1976 and deliveries began from the AM General/M.A.N. joint venture in 1978. For its rigid buses, AC Transit continued purchasing GM New Look buses through the early 1970s, then switched to purchasing Flxible New Look buses starting in 1974. Since the early 1980s, AC Transit began acquiring buses from Flyer,
Neoplan Neoplan Bus GmbH is a German automotive company that manufactures buses, trolleybuses and coaches. It is a subsidiary of MAN Truck & Bus SE. History Foundations The company was founded by Gottlob Auwärter in Stuttgart in 1935, and ma ...
, and
Gillig Gillig (formerly Gillig Brothers) is an American designer and manufacturer of buses. The company headquarters, along with its manufacturing operations, is located in Livermore, California (in the East Bay region of the San Francisco Bay Area) ...
. Around this time, AC Transit began ordering new buses in a "stripe" color scheme, featuring the same orange, teal, and white colors as the previous "clownface" livery. In the late 1990s, AC Transit added buses from
NABI Nabi may refer to: People * Adil Nabi (born 1994), English footballer *Heiki Nabi (born 1985), Estonian wrestler *Isadore Nabi, satirical pseudonym of Richard Levins and Richard Lewontin, scientists in the 1960s *Mohammad Nabi (born 1985), Afghan ...
. AC Transit supplemented these buses with a fleet of 45-foot over-the-road coaches purchased from
Motor Coach Industries Motor Coach Industries (MCI) is a North American multinational bus manufacturer, specializing in production of motorcoaches. Best known for coaches produced for intercity transit and commuter buses, MCI produces coaches for a variety of appli ...
beginning in the early 2000s. In 2003, AC Transit began purchasing low-floor buses from
Van Hool Van Hool NV () is a Belgium, Belgian family-owned coachbuilder and manufacturer of buses, Coach (bus), coaches, trolleybuses, and Semi-trailer, trailers. Most of the buses and coaches are built entirely by Van Hool, with engines and axle ...
. The Van Hool buses were assembled in Belgium and featured low floors and three doors (four doors on articulated models), which AC Transit touted as the key to
bus rapid transit Bus rapid transit (BRT), also called a busway or transitway, is a bus-based public transport system designed to have much more capacity, reliability and other quality features than a conventional bus system. Typically, a BRT system includes ...
service between Berkeley and San Leandro along Shattuck,
Telegraph Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas p ...
, International Blvd, and East 14th Street. At the same time, AC Transit rolled out a revised "ribbon" livery featuring new colors (green and black), and a new logo. The logo was simplified in 2014. After criticism over the use of federal funds to purchase foreign-made Van Hool buses and the tailoring of specification requirements to exclude domestic manufacturers, AC Transit ordered locally-built Gillig buses in 2012. In March 2013, AC Transit began operating the first of its new Gillig buses. In August of the same year, AC Transit placed the first of its new
New Flyer Xcelsior The New Flyer Xcelsior is a line of transit buses available in 35' rigid, 40' rigid, and 60' articulated nominal lengths manufactured by New Flyer Industries since 2008. In addition to the different available lengths, the buses are sold with a ...
articulated buses into service.The New Flyers Are Here!
/ref> Later that year, in November 2013, new Gillig buses with a suburban seating configuration and Transbay branding were introduced into service. All AC Transit buses are wheelchair accessible and have front-mounted bicycle racks. The MCI buses also feature luggage bay bicycle racks. AC Transit buses purchased after 2007 have
air conditioning Air conditioning, often abbreviated as A/C or AC, is the process of removing heat from an enclosed space to achieve a more comfortable interior environment (sometimes referred to as 'comfort cooling') and in some cases also strictly controlling ...
, as approved by the Board of Directors.


Alternative power

In 1969, AC Transit received a grant and converted bus #666 to steam power, which ran in revenue service between 1971 and 1972. The propulsion system was designed by William Brobeck and used a triple-expansion reciprocating steam engine; power was improved compared to the original six-cylinder
Detroit Diesel Detroit Diesel Corporation (DDC) is an American diesel engine manufacturer headquartered in Detroit, Michigan, United States. It is a subsidiary of Daimler Truck North America, which is itself a wholly owned subsidiary of the mulitinational Da ...
6V71 engine and emissions were reduced, but fuel consumption was higher than the conventional diesel bus. The steam system is a closed loop. Exhaust steam is condensed and returned to the steam generator, which is an externally-fired boiler that uses of coiled steel tubing. Prior to entering service, the steam bus was exhibited in Washington DC and to the public. Bus #666 completed in revenue service when the trial ended in September 1972, and the diesel engine was subsequently reinstalled in the bus. AC Transit is the lead agency of Zero Emission Bay Area (ZEBA), a consortium of five Bay Area transit agencies (AC Transit,
Golden Gate Transit Golden Gate Transit (GGT) is a public transportation system serving the North Bay region of the San Francisco Bay Area in California, United States. It primarily serves Marin County, Sonoma County, and San Francisco, and also provides limited s ...
,
SFMTA The San Francisco Municipal Transportation Agency (SFMTA or San Francisco MTA) is an agency created by consolidation of the San Francisco Municipal Railway (Muni), the Department of Parking and Traffic (DPT), and the Taxicab Commission. The agen ...
,
SamTrans SamTrans (stylized as samTrans; officially the San Mateo County Transit District) is a public transport agency in and around San Mateo, California, in the San Francisco Bay Area. It provides bus service throughout San Mateo County and into port ...
, and VTA) demonstrating fuel cell buses. The District began the HyRoad program in 1999 and tested several fuel cell buses with new hydrogen fuelling infrastructure, including the Ballard/
XCELLSiS Ballard Power Systems Inc. is a developer and manufacturer of proton exchange membrane (PEM) fuel cell products for markets such as heavy-duty motive (consisting of bus and tram applications), portable power, material handling as well as engine ...
ZEbus (a New Flyer F40LF with a Ballard fuel cell) in November 1999. Three hydrogen-powered buses, based on the Van Hool A330, operated in revenue service from 2006 to 2010. AC Transit took delivery of 12 additional third-generation fuel cell buses, based on the Van Hool A300L in 2011. In 2019, AC Transit began operating 11 additional hydrogen fuel cell buses from New Flyer, one of which is a 60-foot articulated bus, and 5 battery electric buses from New Flyer.


Funding

AC Transit is funded with a mix of federal, state, and local government subsidies, as well as passenger fares. In March 2004, voters throughout the
San Francisco Bay Area The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area Go ...
approved Regional Measure 2, which funds regional transportation capital and operating programs through a US$1.00 surcharge on State-owned bridges operated by the BATA. (The
Golden Gate Bridge The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the strait connecting San Francisco Bay and the Pacific Ocean. The structure links the U.S. city of San Francisco, California—the northern tip of the San Francisco Pen ...
is owned and operated by the
Golden Gate Bridge, Highway and Transportation District The Golden Gate Bridge, Highway and Transportation District is a special-purpose district that owns and operates three regional transportation assets in the San Francisco Bay Area: the iconic Golden Gate Bridge, the Golden Gate Ferry system and ...
.) In November 2004, voters approved Measure BB, which increased the parcel tax from US$24 to US$48 annually for 10 years beginning 1 July 2005, to help fund AC Transit services. In April 2005, a federal class-action lawsuit was filed against the Metropolitan Transportation Commission alleging that it discriminates against AC Transit's primarily minority riders by giving AC Transit disproportionately less money than
BART Bart is a masculine given name, usually a diminutive of Bartholomew, sometimes of Barton, Bartolomeo, etc. Bart is a Dutch and Ashkenazi Jewish surname, and derives from the name ''Bartholomäus'', a German form of the biblical name ''Barthol ...
and
Caltrain Caltrain (reporting mark JPBX) is a California commuter rail line serving the San Francisco Peninsula and Santa Clara Valley (Silicon Valley). The southern terminus is in San Jose at Tamien station with weekday rush hour service running as far ...
. AC Transit is not party to the lawsuit, and the court sided with MTC in 2009. In November 2008, voters approved Measure VV, which increased the parcel tax by US$48 annually for 10 years beginning 1 July 2009, to help fund AC Transit services. Measure VV also extended the US$48 parcel tax approved under Measure BB so a total US$96 annual tax is effective through 30 June 2019.


Internet access

AC Transit also offers wireless internet on many buses that serve Transbay lines.The Daily Californian
These buses can be distinguished by their all-green livery, padded "commuter" seats, and Wi-Fi logos near the front entrance door and inside the bus.


References


External links

*
AC Transit mobile website
{{DEFAULTSORT:Ac Transit Public transportation in San Francisco Public transportation in San Mateo County, California Public transportation in Santa Clara County, California Public transportation in Alameda County, California Public transportation in Contra Costa County, California Transportation in Oakland, California Bus transportation in California Transit agencies in California