Editing AC Transit (section)

{{Use mdy dates|date = February 2025|cs1-dates = ly}}
{{Short description|Public transit operator in Alameda County and Contra Costa County, California}}
{{Infobox bus transit
| name            = AC Transit
| logo            = AC Transit logo (2014+) cropped.svg
| logo_size       = 
| image           = {{photo montage
| spacing = 1
| color = transparent
| border = 0
| photo2a=AC Transit MCI D45 CRT LE.jpg
| photo1b=Tempo bus on Broadway, August 2020.JPG
| photo1a=AC Transit route 51A bus on Broadway, March 2024.JPG
| photo2b=Fruitvale station from garage (2), March 2018.JPG
}}
| image_caption   = Top left to bottom right: Local, Tempo, and Transbay buses, and [[Fruitvale station]] bus terminal
| company_slogan  =
| parent          =
| founded         = 1960
| headquarters    = 1600 Franklin St,<br/>[[Oakland, California|Oakland]], [[California|CA]]
| locale          = [[East Bay (San Francisco Bay Area)|East Bay]]
| service_area    = Western [[Alameda County, California|Alameda]] and [[Contra Costa County, California|Contra Costa]] counties
| service_type    = {{unbulleted list|[[Public transport bus service|Bus]]|[[Bus rapid transit]]|[[Paratransit]]|[[Night bus]]}}
| alliance        =
| routes          = 130<ref name=ridershipbusfleet />
| destinations    =
| stops           = approx. 5,500<ref name=ridershipbusfleet />
| hubs            =
| stations        =
| lounge          =
| fleet           = 630<ref name=ridershipbusfleet />
| ridership = {{American transit ridership|CA Oakland AC Transit total daily}} ({{American transit ridership|dailydate}}){{American transit ridership|dailycitation}}
| annual ridership = {{American transit ridership|CA Oakland AC Transit total annual}} ({{American transit ridership|annualdate}}){{American transit ridership|annualcitation}}
| fuel_type       =
| operator        = 
| ceo             = 
| website         = {{official url}}
}}

'''AC Transit''' is the main [[Public transport bus service|bus transit]] operator in the [[East Bay]] region of the [[San Francisco Bay Area]], [[California]]. AC Transit is the third largest bus operator in California, serving the western portions of Alameda and Contra Costa counties, with a fleet of over 600 buses operating 130 routes.<ref name=ridershipbusfleet >{{Cite web |title=Ridership, Buses, and Service |url=https://www.actransit.org/ridership |access-date=2025-02-24 |work=AC Transit}}</ref> The agency was founded in 1960 as the successor of the bankrupt [[Key System]].

AC Transit's primary services are its local bus routes, which serve the entire East Bay region from [[Richmond, California|Richmond]] to [[Milpitas, California|Milpitas]]; "Transbay" regional routes, most of which operate between the East Bay and [[San Francisco]] via the [[San Francisco–Oakland Bay Bridge|Bay Bridge]]; and the [[Tempo (bus rapid transit)|Tempo]] [[bus rapid transit]] line from [[Oakland, California|Oakland]] to [[San Leandro, California|San Leandro]].

AC Transit has its headquarters in Oakland, with four bus operations facilities throughout the East Bay and a control center in [[Emeryville, California|Emeryville]]. The agency is officially known as the '''Alameda-Contra Costa Transit District''', and it is structured as a [[Special district (United States)|special district]] governed by an elected seven-member board of directors. In {{American transit ridership|annualdate}}, AC Transit had a ridership of {{American transit ridership|CA Oakland AC Transit total annual}}, or about {{American transit ridership|CA Oakland AC Transit total daily}} per weekday in {{American transit ridership|dailydateasof}}.