I know in miami some green traffic lights have a.
Blue traffic light meaning.
Blue signs that are blue in color are not regulatory signs.
What the blue light allows us to do is sit in a downstream location like on the far side of the intersection see the blue light turn on and know that the lights are red and they re behind.
These red light enforcement lights are used to permit law enforcement to know when a light is red even if they can s see it.
Instead they display services for travelers.
So while it may appear that japan uses blue traffic lights the government assures us it s actually just a very blue shade of green green enough to satisfy international regulations blue.
Blue is added to a green traffic light and orange added to a red traffic light.
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With this officers patrolling certain intersections can wait in a spot that is safer to pull out if they have to catch a driver who ran.
The blue lights convey a message of respect and solidarity for all officers and their families.
Any time a traffic signal is red the blue light appears on the opposite side.
The blue lights are in sync with a red traffic signal allowing officers to see a violation occur.
If you notice a blue light bulb lighting up someone s porch this is the meaning.
Various types of these are used throughout the us here in florida we use a bottom mount white light as shown below.
Next time you are out and about look at the traffic lights.