A dip exists to slow cars down. However, the sign alerting drivers to the existence of the dip actually gets them to decrease their speed. A sign is proven.
Standard: 01 The DIP sign shall not be used at a short stretch of depressed alignment that might momentarily hide a vehicle.
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Size: 24" x 24" Material Type: Engineer Grade Reflective Aluminum Sign, 80 mil Verified PurchaseNice products
4th sign ordered will order more very satisfied with the signs and quick shipping