Info: S-7 (R) / S-7 (L) opposite arrow MUTCD: R6-1 12” x 36” DOT standard vertically oriented ONE WAY left arrow sign. Use along one way drive aisles. Single post and panel mount is acceptable. Refer to S-2 for graphical depiction of using one way signs. DESIGNER’S NOTE: One way signs shall be placed in accordance with MUTCD Figure 2B-14. Signs marked with and asterisk “*” shall be considered optional.