Give way to oncoming vehicles' Supplementary Plate - Post Mount Dia. 615.1 R2/RA2This supplementary plate should be used with sign face 615. It informs users that they should Give way to oncoming vehicles. A variant of this face includes a distance that this applies for, for this variation please contact us for more information before purchase. These signs are installed opposing the "priority over oncoming vehicles sign" diagram 811, which informs drivers travelling in the opposite direction that they have the right of way. This