Signs & Backers: Sign backers are available for most D.O.T. traffic control panels. Backers add a border around signs creating a more elegant, finished look. All D.O.T. traffic control panels are available in a variety of sizes. These are just a few examples of available signs to choose from. Ask your sales representative for pricing and availability on any traffic control sign you may need. Click to enlarge any image R1-1 24" x 24" 30" x 30" 36" x 36" R1-2 24" x 24" x 24" 30" x 30" x 30" 36" x 36" x 36" W41-4c 24" x 24" 30" x 30" 36" x 36" R4-7 18" x 24" 24" x 30" R2-1 18" x 24" 24" x 30" (Your choise of speed limit) R7-8 12" x 18" Available Sign Sizes: 24" & 30" Stop 24" Yield 18" x 24" Speed Limit/Keep Right/Etc. 12" x 18" Handicapped 9" x 12" Penalty 24" x 24" Square or Diamond 24" x 30" Speed Limit/Keep Right/Etc. Available for any D.O.T. sign size. Panels up to 18" x 24" have a 1" black border. Larger panels have a 11/2" black border.