Lights on police cars have actually been around for quite a while which is why everyone knows what the flashing red and blue lights mean when they are visible.
Police car red and blue lights.
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So long story short it depends.
Effective september 1 2018 section 547 305 of the transportation code is amended to limit security patrol vehicles to green amber or white lights see hb 2812 85th leg.
White lights are used by night shift officers to brighten dark areas or to shine on suspects who are traveling on foot or being interviewed.
A a motor vehicle lamp or illuminating device other than a headlamp spotlamp auxiliary lamp turn signal lamp or emergency vehicle.
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Some exceptions are occasionally made for individual vehicles.
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No other vehicles in wisconsin are permitted to use red or blue police lights on department or personal vehicles.
In california emergency vehicles must display at least one forward facing steady burn red light.
In fact laws have been passed preventing private citizens from installing these police lights on their own cars to make it easy for others to distinguish between a hobbyist and a true.
Restrictions on use of lights.
In any other case police cars are only allowed to use blue lights such as a blue light bar and florida s laws make it very clear that use of blue lighting on any non designated vehicle is prohibited.
Red white or blue lights.
However such as in the state of florida state law says police may have red and blue lights where as blue is authorized to sheriff s deparments.
Red lights signify an immediate emergency.
Blue lights define police presence and can be spotted easily from a great distance.
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Therefore depending on how strictly the law is interpretted most city police departments will have red and blue but most county sheriff s will only have blue.
And to make it clear red lights can only be used in the event of an emergency.
Yellow lights warn approaching vehicles that patrol cars are slowing down or.