Keep left sign

Regulatory signs

Keep left sign

Stay to the left of the island or obstruction ahead.

MUTCD designation R4-8. See the federal MUTCD, page 142.

How to read signs like this

Regulatory signs tell you what the law requires: stop, yield, speed limits, turns and lanes. Most are white rectangles with black or red. Red means stop, yield or a prohibition; a red circle with a slash means “no”.

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