Warning Signs 1/ 45
California

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Warning signs are yellow and alert you to possible hazards or a change in road conditions ahead. As a driver, you are ultimately responsible for recognizing and reacting correctly to changing conditions. Not all warning signs are shown here.

Merging traffic. Traffic may be merging into your lane from another roadway. Be ready to either changes lanes or allow other traffic to merge into your lane. Merge signs appear on expressways just before expressway ramps. Drivers entering from the right must yield to traffic on the main route, and must make use of speed-change lanes to merge smoothly and safely with the main traffic flow.