Oncoming vehicles in middle of road' Supplementary Plate - Post Mount Dia. 575 R2/RA2
This sign supplementary plate is used where the layout of the road may force larger vehicles into the middle of the road. An example of this may be where a road has many tight turns that would force arctics to swing wide to clear verges.
The sign can be supplied with a number of different text sizes (known as X-heights) to suit the road it is being installed on. You would normally see this sign face alongside sign diagrams 512, 512.1, 512.2, 512.3 and 513.
This sign should always be installed in accordance with the guidance set out in the TSRGD guidelines, these are linked to on our regulations page for your convenience.