Traffic Sign Colors 16/ 17
California

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Red: Stop, yield, or do what is posted on the sign.
Green: Indicated movements permitted, direction guidance.
Blue:
Motorist services guidance.
Yellow:
General warning or caution.
Black:
Regulation.
White:
Regulation.
Orange:
Construction and maintenance warning.
Orange (Retroreflective):
Used on various types of signs.
Brown:
Public recreation and scenic guidance.

 

Use your high-beam headlights whenever possible in open country or dark city streets, as long as it is not illegal. Do not blind other drivers with your high-beam headlights. Light from the high beams reflects off such precipitation and causes glare.