Road Traffic Act 2004

National roads speed limit.

7.—(1) There is a speed limit (“national roads speed limit”) of 100 kilometres per hour in respect of all national roads, other than national roads in built-up areas, for all mechanically propelled vehicles.

(2) The national roads speed limit does not apply to a national road or part of it where a special speed limit or a road works speed limit applies to that road or part.