Delay Performance of Different Train Types Under Combinations of Structured and Flexible Operations on Single-Track Railway Lines in North America Mussanov, D., N. Nishio and C.T. Dick. 2017. Delay Performance of Different Train Types Under Combinations of Structured and Flexible Operations on Single-Track Railway Lines in North America. In: Proceedings of the International Association of Railway Operations Research (IAROR) 7th International Conference on Railway Operations Modelling and Analysis. Lille, France. Files We're sorry. At this time, we do not have a full text copy of this text available. Categories Systems