N.J. Stat. Ann. § 39:4-127.2

No person shall drive any vehicle through, around, or under any gate or barrier at or on the approaches to a movable span bridge while such gate or barrier is closed or is being opened or closed, nor shall any person drive any vehicle in disobedience to the directions of a traffic control signal or sign, police officer or duly authorized bridge tender, flagman or gateman, located at or in advance of said bridge.