: Professional signs use rust-proof aluminum, often with a 3M-approved laminate to protect against UV rays and graffiti.
Official Street Signs, Flat-Blade 18 x 6" .080" Double Sided EG Reflective Aluminum Street Name Sign SafetySign.com Go to product viewer dialog for this item. buy road signs
Custom Square Sign, Green Engineer Grade Reflective Aluminum Sign, 80 mil, 18"x18" RoadTrafficSigns.com Go to product viewer dialog for this item. : Professional signs use rust-proof aluminum, often with
Speed Limit Sign, Speed Limit 15 Sign, MUTCD R2-1-15 Engineer Grade Reflective Aluminum Sign, 18"x12" RoadTrafficSigns.com Go to product viewer dialog for this item. Speed Limit Sign, Speed Limit 15 Sign, MUTCD
A standard 18"x6" double-sided reflective sign for $33.16 at SafetySign.com .
Standard triangular regulatory sign priced between $43.95 and $72.95 at Traffic Safety Warehouse. Accuform Traffic Sign FRR425HP Go to product viewer dialog for this item. A high-intensity 30"x30" option for $212.79 at Staples . Custom Street and Name Signs