Delay and Required Infrastructure Investment to Operate Long Freight Trains on Single-track Railways with Short Sidings Atanassov, I.A. and C.T. Dick. 2015. Delay and Required Infrastructure Investment to Operate Long Freight Trains on Single-track Railways with Short Sidings. In: Proceedings of the International Heavy Haul Association Conference,. Perth, Australia. Files Delay and Required Infrastructure Investment to Operate Long Freight Trains on Single-track Railways with Short Sidings - Full Text (PDF) Categories Infrastructure