39:4-122.Ā  Signal by police whistle
A driver shall, upon one blast of a police whistle given by a police officerĀ  with hand raised, bring the vehicle to a full stop, and shall not proceed againĀ  until he receives a signal so to do from the officer.Ā  Three or more blasts ofĀ  the police whistle is the signal for alarm and indicates the approach of a fireĀ  engine or other danger.
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