Two Way Traffic On Route Crossing Post Mounted Sign - 522 R2/RA2 (Face Only)A two way road crossing the current junction ahead is signed with diagram 522. It is normally used on one way systems when two way traffic crosses a one way road. In This case, it would be on the back of the No Entry sign through the use of rigid d and back to back sign clips. You may find this sign anywhere where a junction joins or crosses two way traffic, to inform drivers of traffic coming from both directions and to look both ways. This sign may