Sharp Bends Ahead Post Mounted Sign - 513 R2/RA2 (Face Only)The Double Bend Ahead diagram is designed for use where bends of similar severity follow each other. Diagram Left' is for a first turn left, followed by another harsh turning right. Diagram Right is the reverse. Be sure to pick the correct sign as using the opposite diagram can lead to accidents! You will see this sign anywhere where two opposing harsh turns are in close proximity, such as single carriageways through country areas. Please refer to the