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For MUTCD compliance, upgrade to 3M High Intensity Prismatic (HIA) with an even brighter, longer optimum reflective performance!
MUTCD: 2C.32 Surface Condition Signs
Option: 02 The LOOSE GRAVEL (W8-7) sign (see Figure 2C-6) may be used to warn of loose gravel on the roadway surface.
Additional sizes & reflectivity level are available for this item. Please make your selection at bottom of page.
Expressways (HIA) only
See Table 2C-2 of the MUTCD for more info on size requirements.
Reflective Upgrade For All Sign Sizes:
Type III High Intensity Prismatic (HIA)
Refer to MUTCD Table 2A-3 on minimum retroreflectivity levels.
The 24" & 36" (HIA) versions of this sign have been specified to meet the U.S. DOT Federal Highway Administration's MUTCD standards.