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For MUTCD compliance, upgrade to 3M Diamond Grade Prismatic (DG3) with an even brighter, longer optimum reflective performance!
The S4-3P School Advisory Plaque can be used in conjuction with the S1-1 School Zone Sign and also with a Speed Limit sign or assembly.
An additional reflectivity level is available for this item. Please make your selection at bottom of page.
Type III High Intensity Prismatic (HIA)
Refer to MUTCD Table 2A-3 on minimum retroreflectivity levels.