when did the Law Enforcement start using the BLUE Light?

Question

What year did Law Enforcement start using the BLUE Light

Answer 1

Pretty sure the picked them up when KMart quit using theirs and had a true "blue light special"

Answer 2

Here in New Orleans, they were still using red until about the late sixties. The first time I recall the blue lights were around 1969.

Answer 3

In Ontario Canada, the blue light isn't used anymore. It's reserved for snow vehicles.

Answer 4

Though it may not say WHEN the blue light evolved, it certainly answers a lot of questions concerning the overall evolution of lighting equipment on emergency vehicles.

http://en.wikipedia.org/wiki/Light_bar#Evolution

Best wishes!

Answer 5

When Kmart dropped it, law enforcement picked it up

Answer 6

When us workin girls got together and protested them using a red light, cause that's ours, we called it first and that's the only way for our johns to know we open for business so they agreed to use a blue light instead of the red.

Answer 7

Blue can be seen farther in the dark and more people are not color blind to blue.
To make them more visible when they turn their lights on.

Answer 8

whilst us workin women have been given mutually and protested them employing a purple mushy, reason it extremely is ours, we stated through fact it first and that's the only way for our johns to comprehend we open for corporation so they agreed to coach a blue mushy extremely of the purple.

Answer 9

Aliens?

Answer 10

When the red one bcame too dim .