Warning signs call attention to unexpected conditions on or adjacent to a highway, street, or private roads open to public travel and to situations that might not be readily apparent to road users. Warning signs alert road users to conditions that might call for:
The use of warning signs is based on an engineering study or judgment, and unless otherwise noted, are generally diamond-shaped and must have a black legend and border on a yellow background. Hall Signs' wide selection includes traffic warning signs covering:
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