AC Transit
AC Transit (Alameda-Contra Costa Transit District) is a California public transit agency operating ~650 buses across ~5,600 stops in the East Bay. It serves general public, school, and Transbay commuters in Alameda and Contra Costa counties, funded by fares and government subsidies.
- Company typePrivate
- Founded1963
- HeadquartersOakland, United States
- Headcount1,001–5,000
- GTM typeB2C
- OfferingServices
What AC Transit does
AC Transit (legally the Alameda-Contra Costa Transit District) is a California special-district public transit agency founded in 1963 and headquartered in Oakland. It is the third-largest bus transit agency in California, operating a fleet of approximately 650 coaches across roughly 5,600 bus stops serving Alameda and Contra Costa counties in the East Bay of the San Francisco Bay Area. The agency provides local bus service, Transbay intercity service to San Francisco, supplementary school transportation (Lines 600–699), and All Nighter late-night service, with operations distributed across four divisions (Central/East Oakland D4, Emeryville D2, Richmond D3, Hayward D6). Headcount is reported at 1,001–5,000 employees.
The agency's core digital product is ACT RealTime, a real-time bus tracking and departure prediction system in which buses report GPS location every 15 seconds (eight times more frequently than the prior software). ACT RealTime feeds a public REST API, GTFS static data (updated ≥3 times per year), GTFS-Realtime feeds, GIS shape files, and an Open Data Portal (opendata.actransit.org). Rider-facing channels include the Trip Planner (tp.actransit.org), ACT Online Map, Mobile App 2.0 (released October 2025), the Clipper regional fare card (with next-generation tap-and-ride launched December 2025), electronic at-stop signs, the 511 telephone system, and a Bus Stop ID Program providing five-digit stop lookups. Supporting back-office systems include Clever Devices (CAD/AVL), GIRO HASTUS (scheduling), Hitachi Ellipse (asset management), ESRI ArcGIS (GIS), and Swiftly (transit analytics). Zero-emission bus deployment is underway with charging infrastructure via ChargePoint and vehicles from New Flyer.
AC Transit's revenue model combines passenger fares with government subsidies; the agency explicitly states fares cover only a portion of total operating costs, with the balance funded through federal, state, regional (MTC), and local government sources. Pricing follows periodic fare adjustments, with a two-phase fare change completed in March 2025 and an additional adjustment effective July 1, 2025. Distribution is direct-to-consumer across a horizontal mass market of general public riders, school communities, and Transbay commuters, with no contracted enterprise customer relationships. The agency has received the 2023 APTA Outstanding Public Transportation System Award (its first in 60 years) and the 2019 APTA International Bus Roadeo Grand Champions award, and recently completed a governance restructuring transitioning to a seven-ward Board of Directors election system (November 2024). As of mid-2026, the Board is considering potential 16% service reductions and up to 300 layoffs in response to a structural funding shortfall identified by the California State Auditor.
AC Transit firmographics
Firmographics- Name
- AC Transit
- Legal name
- Alameda-Contra Costa Transit District
- Website
- https://actransit.org
- Company type
- Private
- Founded year
- 1963
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- AC Transit (Alameda-Contra Costa Transit District) is a California public transit agency operating ~650 buses across ~5,600 stops in the East Bay. It serves general public, school, and Transbay commuters in Alameda and Contra Costa counties, funded by fares and government subsidies.
- Ownership category
- akta.pro rank
Where AC Transit is headquartered
LocationHeadquarters
- HQ city
- Oakland
- HQ country
- United States
- HQ region
- North America
Offices5 records
Markets served
AC Transit business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Technology or R&D, Others
Revenue model
- Passenger Fares: Fare collection from riders using bus services. The agency notes that fares only cover a portion of total costs.
- Government Funding and Subsidies: Public transit agency reliant on government funding to supplement fare revenue. The agency has faced funding crises and potential service reductions.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Pay-as-you-go | Standard Local Fares |
Go-to-market motion1 record
Distribution channels7 records
Marketing channels11 records
AC Transit product offering
Product offeringCore offering
AC Transit is a public bus transit agency that provides scheduled bus transportation services throughout the East Bay (Alameda and Contra Costa counties) of the San Francisco Bay Area. The agency operates local, Transbay intercity, school supplementary, and All Nighter bus routes, supported by digital rider tools including ACT RealTime tracking, a mobile app, trip planner, online map, and public API/GTFS data feeds for third-party developers.
Product overview
AC Transit (Alameda-Contra Costa Transit District) is a public bus transit agency serving the East Bay of the San Francisco Bay Area. It operates a broad network of local, Transbay, school supplementary, and All Nighter bus services. The agency's digital product portfolio consists of rider-facing tools organized around ACT RealTime — its real-time bus tracking and departure prediction platform — which is supported by a public API (ACT RealTime API), GTFS static and GTFS-Realtime data feeds, and GIS shape files for bus routes and stops. Riders interact with AC Transit services through the Trip Planner, ACT Online Map, AC Transit Mobile App (v2.0), Clipper card fare system, electronic at-stop signs, the Bus Stop ID Program, and the Open Data Portal. ACT RealTime and the API are the core technology products; all other digital offerings either feed into or are powered by them.
Differentiator
Problem solved
Functional benefit
Products and services
- Local Bus Service
Quantifiable outcome
- Ridership increased 8% year-over-year in one month, adding 270,000+ monthly riders
- +2 more outcomes
Companies that use AC Transit
Customer profileSegments3 records
Ideal customer profiles5 records
AC Transit technology and API
TechnologyTechnology focussed No
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration7 records
AI capability3 records
Feature5 records
AC Transit partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core, major and minor.
- GooglecoreGoogle processes AC Transit GTFS data at least 3 times per year for use in Google Maps Transit Trip Planner. AC Transit provides schedule, route, and stop data in standardized GTFS format.
- 511.orgcore511 provides several data feeds for developers including real-time departure data and transit data feeds. AC Transit data is available through the 511 Open Data Portal.
- Metropolitan Transportation Commission (MTC)coreMetropolitan Transportation Commission operates the Clipper fare system used by AC Transit riders. The next-generation Clipper (tap-and-ride with credit/debit cards) launched December 10, 2025.
- Clever DevicescoreProvides Clever CAD solutions for computer-aided dispatch and automatic vehicle location, enabling real-time tracking of revenue fleet.
- GIROcoreProvides HASTUS scheduling and runcutting system used by AC Transit Service Development for service schedules and route planning.
- City of OaklandmajorPartnership on International Boulevard Quick Build project covering 75% of the corridor. Joint safety enhancement initiative with multiple improvements planned.
- Oakland Police and Alameda County Sheriff's DeputiesminorSupport services to ensure bus lanes are kept clear of unlawful roadway activity during downtown Oakland operations.
Scale indicators7 records
Recent moves7 records
Expansion highlights6 records
AC Transit competitors and assessment
Company assessmentOthers
- New Flyer: New Flyer is a major North American transit bus manufacturer supplying AC Transit's zero emission buses. Represents the bus OEM and charging infrastructure supply chain ecosystem (alongside ChargePoint) that AC Transit depends on for fleet modernization.
- Swiftly: Swiftly is a transit technology vendor that supplies AC Transit's real-time vehicle position and analytics platform. It represents the broader transit-tech vendor ecosystem (alongside Clever Devices, GIRO, ESRI) that supplies data infrastructure to AC Transit and peer agencies.
- Metropolitan Transportation Commission (MTC): MTC is the regional transportation planning body that operates the Clipper fare system used by AC Transit. Acts as a coordinating/oversight partner across Bay Area transit agencies including AC Transit, BART, SFMTA, and SamTrans.
Broad incumbents
- LA Metro (Los Angeles County Metropolitan Transportation Authority): LA Metro is California's largest transit operator with bus and rail services, far broader in scope and budget than AC Transit. Operates a similar Clipper-equivalent (TAP) system and pursues comparable zero-emission and BRT initiatives.
Direct peers
- SamTrans (San Mateo County Transit District): SamTrans is a fellow California county-based bus transit district on the San Francisco Peninsula with comparable governance structure, Clipper integration, and Transbay commuter service similar to AC Transit. Both agencies face similar Bay Area funding dynamics and ridership recovery patterns.
- BART (Bay Area Rapid Transit): BART operates regional rail transit across the East Bay and through San Francisco, serving many of the same Alameda and Contra Costa communities as AC Transit. The two agencies coordinate closely on Transbay connections and regional Clipper fare integration.
- WMATA (Washington Metropolitan Area Transit Authority): WMATA operates bus and Metrorail service across the Washington DC region, providing direct peer comparison in scale of urban bus operations, real-time data infrastructure, and federal funding dependency. Comparable APTA award profile and governance structure.
- VTA (Santa Clara Valley Transportation Authority): VTA operates bus and light rail transit in Silicon Valley with similar municipal bus service profile, GTFS/real-time data infrastructure, and zero-emission fleet transition goals as AC Transit. Comparable scale of California public bus operations.
- SFMTA (San Francisco Municipal Transportation Agency): SFMTA operates bus and rail transit across San Francisco directly adjacent to AC Transit's East Bay service area, including the Transbay terminal where AC Transit's inter-city routes terminate. Both agencies serve overlapping Bay Area commuter populations with municipal bus networks and shared Clipper fare integration.
Regional players
- OCTA (Orange County Transportation Authority): OCTA operates bus transit in Orange County, California, with a comparable mid-size California bus agency profile. Both agencies serve suburban-urban corridors with similar fleet sizes and Clipper-equivalent fare systems.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key highlights7 records
Customer concentration
AC Transit social profiles
Digital presenceAC Transit financial estimates
Financial estimateRevenue estimate
Valuation estimate
AC Transit leadership team
Management profileNumber of profiles
Profiles5 records
AC Transit subsidiaries and ownership
Company hierarchySubsidiaries1 record
AC Transit funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
AC Transit M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about AC Transit
What does AC Transit do?
AC Transit is a public bus transit agency that provides scheduled bus transportation services throughout the East Bay (Alameda and Contra Costa counties) of the San Francisco Bay Area. The agency operates local, Transbay intercity, school supplementary, and All Nighter bus routes, supported by digital rider tools including ACT RealTime tracking, a mobile app, trip planner, online map, and public API/GTFS data feeds for third-party developers.
Is AC Transit a public or private company?
AC Transit is a private company. It is classified as state government owned and is currently operating.
When was AC Transit founded?
AC Transit was founded in 1963. It employs 1,001 to 5,000 people.
Where is AC Transit based?
AC Transit is headquartered in Oakland, United States, in the North America region.
How does AC Transit make money?
Two revenue lines are on record. Passenger Fares are the primary driver. The others are government Funding and Subsidies.
Who are AC Transit's main competitors?
Others on record are New Flyer, Swiftly and Metropolitan Transportation Commission (MTC). LA Metro (Los Angeles County Metropolitan Transportation Authority) is listed as a broad incumbent. Direct peers are SamTrans (San Mateo County Transit District), BART (Bay Area Rapid Transit), WMATA (Washington Metropolitan Area Transit Authority), VTA (Santa Clara Valley Transportation Authority) and SFMTA (San Francisco Municipal Transportation Agency). OCTA (Orange County Transportation Authority) is listed as a regional player.
Does AC Transit have an API?
Yes. AC Transit provides a public API for real-time transit data (ACT RealTime), GTFS-Realtime data, and schedule/route/stop data. Real-time data includes vehicle locations (reported every 15 seconds), departure predictions, and service alerts. Access is free for developers. The API documentation is available at http://api.actransit.org/transit/Help. Developer documentation is at api.actransit.org/transit/Help.