W7-3P % Percent Grade Sign Size:24" x 18" MUTCD Sign Designation: W21-1A

MUTCD Sign Designation: W21-1A

NCHRP350 Approved

the SZ-460 can be seen in the most congested of roadways

HIP Reflective Hi-Intensity Prismatic

30" x 30" Aluminum Traffic Sign Blank (Octagon)

W7-3P % Percent Grade Sign Size:24" x 18" MUTCD Sign Designation: W21-1AW7 3P XX% Grade (Plaque) Sign Sizes Available: 24" x 18" MUTCD Sign Designation: W7 3P Traffic signs match MUTCD Highway Sign Standards. Signs are made with reflective sheeting applied to . 080" aluminum with rounded radius corners and pre punched 3 8" holes to meet Federal MUTCD, ASTM and ATSSA specifications. Aluminum: Aluminum is . 080 Aluminum #3105 H38 Alodine coated. Reflective Sheeting: 3M 3930 Series Type III High Intensity Prismatic