On 23/05/2013,
you requested for the version in force on 23/05/2013
incorporating all amendments published on or before 23/05/2013.
The closest version currently available is that of 21/09/2011.
18.
—(1) Where road works are in progress or where for some other reason the width of the road is temporarily reduced, the traffic signs in diagrams 7 and 8 in Part I of the Schedule may be used to control traffic.
(2) Nothing in this rule shall prevent the use for the purpose stated in paragraph (1) of devices which on 15th November 1991 are already in the possession of the Government, any statutory body which has the lawful authority to break up a road, or the contractors engaged in the business of marking and repairing roads.