Umarali Abduraimov Senior Lecturer, Tashkent State Transport University ukabduraimov@mail.ru Assel Tulebekova Phd, associate professor, Department of Civil Engineering, L.N.Gumilyov Eurasian National University krasavka5@mail.ru. 2-1 DETERMINATION OF THE STABILITY OF THE RAILWAY ROADBED. shine-aeb 2026, 2, 3-8.