N.J. Stat. § 39:4-122
Current through L. 2023, c. 349.
A driver shall, upon one blast of a police whistle given by a police officer with hand raised, bring the vehicle to a full stop, and shall not proceed again until he receives a signal so to do from the officer. Three or more blasts of the police whistle is the signal for alarm and indicates the approach of a fire engine or other danger.
N.J.S. § 39:4-122