Traffic intensity on roads with big longitudinal slope in mountain conditions Erkin Fayzullayev, Shaukat Khakimov, Azimjon Rakhmonov, Sayyora Rajapova and Zokhidjon Rakhimbaev E3S Web of Conf., 401 (2023) 01073 Published online: 11 July 2023 DOI: 10.1051/e3sconf/202340101073