(1)What is the current number of manual authorisations (MAs) served by the Railway Safety Regulator on rail sections owned by (a) the Passenger Rail Agency of South Africa and (b) Transnet respectively;
(2) when looking at each of these sections being declared as an MA, (a) which 10 are the longest and most frequently found to be unsafe and (b) on what date was each of the specified sections mentioned for the first time?