National Marker "Stop Sound Horn Proceed With Caution" Safety sign measures 24" x 18" and is made 0.080" reflective aluminum material for extra durability.
In 2008, MUTCD released a new regulation for traffic signs requiring an upgrade in retroreflectivity. In additional to these reflective traffic signs, additional sizes and materials are available for facility and private road use.
Complies With All Safety Regulations
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