U Turn Prohibited Traffic Sign Diagram 614 RA2 Post Mountable POS & White Foam Tape The sign should be provided Option:Simplefix Large White Cups Only (250) The sign should be provided at the start of the cycle track and where the track crosses roads used by other traffic the width of the part of the symbol indicating the approach arm must not be varied the sign should be mounted on the central refuge or reservation as close as practicable to the junction to face traffic approaching from the direction the prohibition applies to The sign is often used at junctions or stretches of road that could pose a hazard when the slow manoeuvre is performed