Public Transit Tech

Public transit technology modernizes the operations, passenger experience, and planning of bus, rail, metro, and multimodal transit systems, serving the agencies and operators that collectively transport billions of riders annually and receive tens of billions in government funding. The global transportation management systems market reached approximately $17-19 billion in 2025 and is projected to exceed $48 billion by 2033. The Mobility-as-a-Service (MaaS) market reached $533 billion in 2025 and grows at 18.8% CAGR to $2.5 trillion by 2034, though this broader figure encompasses ride-hailing, micro-mobility, and other modes beyond traditional public transit.

The U.S. Infrastructure Investment and Jobs Act (IIJA) authorized $108 billion for public transportation, the largest federal transit investment in history, with authorization expiring September 30, 2026. This includes $23.1 billion for transit repair and maintenance, $23 billion for Capital Investment Grants for new high-capacity projects, $33.5 billion in urbanized area formula grants, and $2.4 billion specifically for buses and zero-emission vehicle programs. The FY 2026 budget request totals $21.2 billion in total budgetary resources for public transportation, creating substantial demand for technology that helps agencies deploy this funding effectively.

Contactless fare payment and open-loop systems are transforming how riders pay for transit. Washington DC's WMATA rolled out full open-loop payment in May 2025, joining New York's OMNY system in enabling riders to tap credit cards, debit cards, and phone wallets instead of transit-specific cards. Seattle's ORCA system plans open payment implementation in early 2026. Open-loop adoption drives measurable ridership increases: early adopters see 6% growth, with mature deployments achieving up to 10% ridership increase. Cardless wallet payments in the U.S. jumped 37% year-over-year in 2025.

Swiftly serves over 110 transit agencies across 8 countries including LA Metro, Philadelphia SEPTA, Boston MBTA, and Washington DC WMATA, delivering up to 40% improvement in on-time performance and 50% improvement in passenger information accuracy. Optibus provides AI-driven scheduling and planning, partnering with Swiftly through the Open Transit Initiative for cross-vendor data compatibility. Trapeze Group integrates generative AI capabilities for North American transit agencies, focusing on enterprise asset management and capital planning.

Electric bus adoption is accelerating rapidly. The electric bus charging infrastructure market reached $4.9 billion in 2025 growing at 15.8% CAGR to $10.1 billion by 2030. Europe registered 11,607 battery-electric buses in 2025 (+48% year-over-year), with 60% of EU city bus orders now zero-emission. India deployed 11,500+ electric buses by end of 2024, up from fewer than 3,000 in 2020. The IIJA's $2.4 billion for buses and zero-emission programs directly funds this transition.

For founders, public transit technology in 2026 rewards companies that serve government-funded agencies with long procurement cycles but growing technology budgets. The most fundable approaches provide AI-powered scheduling and route optimization that demonstrates measurable ridership and efficiency gains, open-loop fare payment infrastructure and integration services, real-time passenger information systems that improve the rider experience, electric bus fleet management and charging optimization, and MaaS integration platforms that connect transit with bike-share, scooters, and ride-hailing into unified mobility experiences.