W3-4 Be Prepared to Stop Sign Size:30" x 30" W21-3 Road Machinery XX Sign

W21-3 Road Machinery XX Sign

Street Name Sign Bracket

1 – Black Portable Pole2 sign base

Attaches over 2" square post

MUTCD Sign Designation: W23-1

W3-4 Be Prepared to Stop Sign Size:30" x 30" W21-3 Road Machinery XX SignW3 4 Be Prepared to Stop Sign Sizes Available: 30" x 30" 36" x 36" 48" x 48" MUTCD Sign Designation: W3 4 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