1993 Buick Regal Owner's Manual - Page 130
1993 Buick Regal Manual
Page 130 highlights
Color of Road Signs I I WRONC WAY RED means STOP. It may also indicate that some movement is not allowed. Examples are DO NOT ENTER and WRONG WAY. Road Signs The road signs you see everywhere are coded by color, shape and symbols, It's a good idea to know these codes so that you can quickly grasp the basic meaning or intent of the sign even before you have a chance to read it. 128
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