224   RTA may allow costs to roads authorities for road work on classified roads

If a roads authority carries out road work on a classified road to the satisfaction of the RTA, the RTA may allow to the roads authority in assessing the cost of the work:

(a)  an additional 2.5 per cent of the cost of the work, if the working plans and specifications for the work have been prepared by the roads authority in accordance with the standards approved by the RTA, or

(b)  an additional 1.5 per cent of the cost of the work, in any other case.