Question

What do different police sirens mean?‍✈️.....

Answer 1

Answer:

Fire engines generally operate in wail and their siren wail tends to be longer, starting from a lower tone. Ambulances usually have the same sirens as police cars, but tend to operate in wail. All of them tend to change tones at intersections or to sound the klaxon horn when approaching one.

Explanation:

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Answer 2

Explanation:

ELI5: What do the different siren sounds mean on police cars, fire trucks and ambulances? ... An other siren when the car is disturbing traffic( either to make cars move over, stop crossing traffic or to plow through traffic). IIRC there is also a distinct siren to escort vehicles...

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