Yes. There is nothing in the law that says police must have their lights on on the side of the road. Think of it as parked car, do you need lights on when you park your car on the street in front of your house? Even if you do, most states have laws that exempt emergency vehicles from such laws, ie police cars, fire trucks.
Yes, of course they can.
Police lights are the red and blue lights that use in an emergency. It was invented by a Superintendent of Signals for the Police Department of Detroit in 1920.
Yau Ma Tei Police Station was created in 1922.
MA stands for Master At Arms in the US Navy. MA's' are the Navy's version of Military Police
No.
Chicago is famous for having only Blue lights on its police cars
Police sirens
Police should not speed if there not chasing anyone or if there lights are not on or there sirens are not on
A police car can generally follow you anywhere you can drive, warning lights on or otherwise.
Of course they are - Do you think police have to stand on trains?
There are many places that you can purchase police strobe lights. Many of them have different styles that you can choose from. Amazon and Speed Tech Lights are just a couple of places you can find these lights.
Boston, MA