New Jersey Transit Corporation, branded as NJ Transit or NJTransit and often shortened to NJT, is a state-owned public transportation system that serves the U.S. state of New Jersey and portions of the states of New York and Pennsylvania. It operates bus, light rail, and commuter rail services throughout the state, connecting to major commercial and employment centers both within the state and in its two adjacent major cities, New York City and Philadelphia. In 2023, the system had a ridership of 209,259,800.

The New Jersey Department of Transportation (NJDOT) is the agency responsible for transportation issues and policy in New Jersey, including maintaining and operating the state's highway and public road system, planning and developing transportation policy, and assisting with rail, freight, and intermodal transportation issues. It is headed by the Commissioner of Transportation. The present Commissioner is Diane Gutierrez-Scaccetti.