While not part of official legislation, motorists in South Africa are allowed a “tolerance” of 10km/h above the speed restriction of a particular road, in which if they are caught, they won’t be fined. This tolerance is in place to accommodate small calibration errors in vehicle speedometers between the many manufacturers of cars on the road, and to avoid prosecuting persons for exceeding the speed limit by only 2 or 3km/h and clogging up the legal system. The 10km/h grace does not apply to average speed-over-distance prosecutions, however, which tracks the average speed a motorist travels across a set number of kilometres through the use of overhead cameras with number-plate recognition technologies. This is because these systems are more accurate in determining the true speed the vehicle was driving at than a momentary snapshot taken by a roadside camera. When you will be arrested for speeding The tolerance for speeding does not mean that the restrictions are 10km/h higher than what the sign displays, as traffic officers are still within their rights to issue tickets for anyone breaking the posted speed limit – i.e. 60km/h on urban roads; 100km/h on every public road outside an urban area, excluding…