SIGN VAN ACCESSIBLE GREEN/WHITE 12x6 .080 ALUM HI R7-8a. This sign is perfect for any organization that deals with traffic management. Its size is perfect for attaching to channel dividers regularly installed on highways or mounted on the green signposts that delimit parking spaces. Graffiti resistant and dirt resistant - your sign will be visible from afar (up to a mile), even in direct sunlight. Furthermore, its installation is quick and easy.