W21-1A Workers Sign Size:30" x 30" MUTCD Sign Designation: R3-8L

MUTCD Sign Designation: R3-8L

MUTCD Sign Designation: W1-6

Vertical Panel Rubber Base

MUTCD Sign Designation: W9-1R

MUTCD Sign Designation: W8-3

W21-1A Workers Sign Size:30" x 30" MUTCD Sign Designation: R3-8LW21 1A Workers Sizes Available: 30" x 30" 36" x 36" 48" x 48" MUTCD Sign Designation: W21 1A 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