Advisory Speed Sign 30 MPH W13-1P

The W13-1P is a supplemental plaque that mounts below a warning sign to recommend a safe speed for the condition ahead. Black "30 MPH" legend on a yellow retroreflective background. Commonly paired with turn signs (W1-1), curve signs (W1-2), and other advance warning signs where a speed reduction is advised. This is an advisory speed — not a regulatory speed limit. It recommends a safe travel speed for the specific condition, not a legal maximum. Industrial parks and airport service roads that post their own advisories can order this 30 MPH plaque in a small 12" x 12". Standard size is 18" x 18" per MUTCD specifications. The 24" x 24" and 30" x 30" step up in size for plaques mounted under large warning signs. Mounts directly below the associated warning sign on the same post. Sign post, mounting hardware, and brackets are sold separately.

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