With reference to the suspension of trains between Mabopane-Belle Ombre-Dewildt and Pretoria North in April 2018, (a)(i) what alternative arrangements were put in place for transporting commuters during this suspension and (ii) how were the arrangements communicated to commuters and (b)(i) what plans were put in place to enable the service to resume and (ii) what are the deadlines, timeframes, timelines and milestones with regard to the resumption of train services?