Cape Town - When driving on the highway or any road, speed signs are placed alongside the tarred surface. Sometimes there’ll be a 120km/h-sign with a red circle or an 80km/h-sign with a blue circle.

These circular signs with a red border include the speed limit within them - usually ... The national speed limit sign is also used, which is a white circle with a black diagonal band through ...

Any speed limit seen in a red circle sign are mandatory limits and display the maximum speed drivers can travel along that stretch of road. The Highway Code makes it clear that speed limits are ...