5mph Speed Limit Sign Post Mounted Diagram 670 R2/RA2The 5 mph sign is almost exclusively used on private roadways, car parks and construction sites. It is used to indicate that there is a 5 mph speed limit in place. The sign features a black number 5 on a white background with a red ring surround. This sign is part of our wider range of road signs and speed signs and is therefore produced to the same high quality as the rest of our post mounted signs. You will most commonly see 5mph speed limit signs