Steep Hill Downwards Ahead Road Post Mounted Sign - 523.1 R2/RA2 (Face Only) Collection_WaterFilledBarriers The need to change locks

The need to change locks could be because a member of staff has left a company

Roads where vehicles other than buses

This marking can also be used alongside time and day restrictions in town centres or busy areas

There are 4 versions of this warning sign- 'Left' states the junction is joining from the left and leaves further up the road on the right

It can be used with a ‘For’ plate to state how far the carriages are likely to be in the road

Steep Hill Downwards Ahead Road Post Mounted Sign - 523.1 R2/RA2 (Face Only) Collection_WaterFilledBarriers The need to change locksThis permanent warning sign indicates that there is a steep downwards gradient ahead. The percentage marked on the sign can be varied to reflect the road conditions. Our example shows a 10% downward gradient this means that for every metre travelled forward 0. 1 of a metre will be lost in elevation. This sign is often used in combination with supplementary plates 525, 526 and 527 all of which warn drivers to use a low gear to regulate speed so as to