For MUTCD Compliant Enhanced Conspicuity, add a solid yellow or fluorescent yellow rectangular "header panel" above a standard regulatory sign, with a legend such as "NEW", "STATE LAW", "NOTICE" or other appropriate text.
SKU: S(XXXX)W1615P(X)A(Y)
SKU: S(XXXX)W1618P(X)A(Y)
SKU: S(XXXX)W1618AP(X)A(Y)
