Regulatory Signs 1/ 23
California

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Regulatory Signs: These signs are square, rectangular, or have a special shape and are usually white or red with black, red, white or green letters or symbols. They tell you the requirements for stopping, yielding, traffic direction, lane use, turning, speed limits, parking and other special situations.

Some regulatory signs have a red circle with a red slash over a symbol. These signs prohibit certain actions, i.e., no left turn, no right turn, no U-turn, etc.

Signs often use symbols or pictures rather than words. Each type of sign has a special color and shape to help you easily recognize the sign at a glance. 

Regulatory Signs—Prohibitive.
Traffi c signs that prohibit certain actions or movements are red in color and increase safety by controlling the fl ow of traffic through intersections.

All regulatory devices on the road tell you to stop, proceed in a certain direction, or limit your speed.