Understanding 2-Way, 3-Way, 4-Way & All-Way Supplemental Plaques for STOP Signs Supplemental plaques play an essential role in communicating how traffic flows at intersections controlled by STOP signs. This guide explains the differences between 2-Way, 3-Way, 4-Way, and All-Way plaques and when contractors, municipalities, and property owners should use each one. What Are Supplemental STOP Plaques? Supplemental plaques such as … Continue reading “Understanding 2-Way, 3-Way, 4-Way & All-Way Signs”
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