Railway transport is facing a growing liquidity problem. The major problem in small systems is the detention of wagonsat marshalling yards. which prolongs the time of freight travel. To avoid this problem it is of great importance to search for parametersthat would enable creation of a model of technologythat would provide shorter wagon detention time at stations aswell as optimising ... https://www.diegojavierfares.com/top-offer-Royal-Ann-Cherry-Tree-limited-choice/