The following table sets down the default speed limits for different roads under the Road Traffic Act 2004.
Type of road Speed limit
Motorway (Blue Signs - M numbers) 120kmh
100kmh
National roads (primary and secondary) (Green Signs - N numbers)
Regional roads 80kmh
Local roads 60kmh
50kmh
Roads in built-up areas, such as cities, towns and boroughs
30kmh
Special speed limits for roads in built up areas and densely populated areas.