Designing the height of the first profile of the marshalling hump Khabibulla Turanov, Andrej Gordienko, Shukhrat Saidivaliev and Shukhrat Djabborov E3S Web Conf., 164 (2020) 03038 Published online: 05 May 2020 DOI: 10.1051/e3sconf/202016403038