%0 Journal Article %T Development of a Pricing Model for Piggyback Transportation in the Railway Transport System of Uzbekistan %A Muhamedova, Z.G. %A Ahmedov, S.H. %K Piggyback traffic, tariff model, railway transport, logistics, economic and mathematical modelling %J Proceedings of Petersburg Transport University %D 2025 %N 22 %P 9 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"