As of 2025, the active fleet of NJ Transit Bus Operations consisted of approximately 2800 buses which it housed and maintained at eighteen NJ Transit bus garages.
[1] NJ Transit and companies leasing buses from the state agency use various models of buses between 25 feet (7.6 m) (minibuses and 60 feet (18 m) feet in length (some of which are articulated) to provide local and commuter service within the state of New Jersey and adjacent parts of New York and Pennsylvania.
[4] The rosters below list current and past buses purchased or otherwise acquired by NJ Transit for heavy duty fixed-route service.
This list includes Transport of New Jersey, NJDOT-owned, and NJ Transit buses.
Buses with a "PA" prefix were purchased using Port Authority of New York and New Jersey funds.