Keep Left / Keep Right Reversible Quick Fit Sign Dia. 610 | 750mmThe 610 (keep left or right) sign face is designed to be used to signal traffic to move to the left as roadworks are happening ahead. Where to use this sign is found with the Chapter 8 guidelines. The 'keep left right' sign is often equipped with the supplementary plate 7105, signalling that the lane is closed to traffic, or to help guide traffic around an obstruction. Appropriate supplementary sign faces that compliment the Keep Left sign are also