One Way' Supplementary Sign, Post Mounted Diagram 607 R2/RA2
Use this post mounted sign with a 606 or 609 road sign to inform road users that there is a one-way system that should be followed. This simple supplementary plate with the wording “one way” can be found in the ‘Chapter 3 Traffic Signs Manual’, its diagram number is 607. You will usually find this sign accompanied by ‘No Entry’ signs, ‘606’ directional signs and other one-way signage