The role of differential equations in research car traffic M. M. Amosov, R. A. Khikmatova, N. M. Safarbayeva, N. M. Ochilova and M. M. Toshmatova E3S Web of Conf., 402 (2023) 04012 Published online: 19 July 2023 DOI: 10.1051/e3sconf/202340204012