Swanepoel, A.2022-09-292022-09-292022https://repository.up.ac.za/handle/2263/87384Papers presented at the 40th International Southern African Transport Conference on 04 -08 July 2022The presentation addresses the current legal position on the requirements for mass measuring. A quick history on the Trade Metrology Act, 77 of 1973 and the scope of the legislation. The provisions of the Legal Metrology Act, 9 of 2014 and how it impacts on the equipment and measurements used for weigh in motion. The requirements in the National Road Traffic Act, 93 of 1996 controlling overloading of vehicles. The presumptons on the accuracy of weigh equipment and the calculations for permissible maximum masses. The challenges to use weigh-in-motion measurements to prosecute operators and drivers criminally or administratively.1 pagesPDFen©2022 Southern African Transport Conferenceweigh-in-motionArticle