Optimizing Location and Length of Passing Sidings on Single-track Lines for Long Heavy-haul Freight Trains Shih, M-C., C.T. Dick and Y-C. Lai. 2015. Optimizing Location and Length of Passing Sidings on Single-track Lines for Long Heavy-haul Freight Trains. In: Proceedings of the International Heavy Haul Association Conference. Perth, Australia. Files Optimizing Location and Length of Passing Sidings on Single-track Lines for Long Heavy-haul Freight Trains - Full Text (PDF) Categories Infrastructure