High Quality Content by WIKIPEDIA articles! The New Jersey Transit Corporation (usually shortened to New Jersey Transit, NJ Transit or NJT) is a statewide public transportation system serving the United States state of New Jersey, and New York, Orange, and Rockland counties in New York State. It operates bus, light rail, and commuter rail services throughout the state, notably connecting to major commercial and employment centers both within the state and in the adjacent cities of New York and Philadelphia.