The Princeton Branch is a commuter rail line and service owned and operated by New Jersey Transit (NJT) in the U.S. state of New Jersey. The line is a short branch of the Northeast Corridor Line, running from Princeton Junction northwest to Princeton with no intermediate stops. Also known as the "Dinky Line",[7] at 2.9 mi (4.7 km) it is the shortest scheduled commuter rail line in the United States.[8][9] The run takes 4 minutes, 47 seconds.