Post traffic signs to safely direct and regulate the flow of vehicles and pedestrians in and around parking areas, dock areas, and roadways. Keep driveways, throughways, and curbs free of vehicles and direct to designated parking locations with proper signs. ACCUFORM SIGNS Engineer-Grade Prismatic Traffic Signs are made of durable 0. 080" thick Aluminum that will not rust. Micro-prismatic retroreflective sheeting provides added visibility in low-light and nighttime conditions. Signs are printed with UV-resistant inks that prevent fading during long-term outdoor exposure, and are pre-drilled with post mount holes.