Slow 10km/h Speed Limit Safety SignThe Slow 10km h Speed Limit Safety Sign helps to warn drivers to slow in the area. The sign is often installed alongside speed bumps or other traffic calming measures. Choose from 3 safety sign format options corriboard, dibond and aluminium. Corriboard is fine for temporary use outdoors, Dibond is for permanent use where it can be installed on walls or fences. Aluminium signs can be installed onto 76mm poles, complete with channels and clips.