Ask a Trooper
Question: My husband and I are wondering if it is true that emergency vehicles can change a light from red to green, if they need to proceed through an intersection. Is this true, or is it just a myth that people now believe to be true? Also, if this is true, how is the light triggered? Is it triggered by the flashing lights of the emergency vehicle or is it triggered through some other method? Thank you for your column! We read it every time and we appreciate the helpful and accurate information. Answer: Emergency vehicles can change traffic lights using a system called Opticom. The ...