S.I. 1975/1536
5193
SCHEDULE 1 PART I—warning signs (contd.)
 Traffic cylinder to indicate the temporary division of traffic flows into opposing directions on one carriageway, or to mark a boundary between two carriageways of a dual carriageway which may not be crossed except for fire brigade, ambulance or police purposes 578
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 Plate for use with diagram 506.1 to indicate A temporary access to a construction or road works site (See Direction 12) 579
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