1. Road-transport trauma. https://www.who.int/ru/news-room/fact-sheets/detail/road-traffic-injuries (reference: 14- 02-2021.).
2. Tashkent Institute of Motor Roads. TRACECA President Alan Ross Report Bulletin. 2015.
3. GOST 33151-2014 Interstate Standard. Automobile roads for general use. Equipment elements. Technical requirements. Application rules.
4. Muxitdinov A.A., Khakimov Sh.K. Method of determining the length of the slope of the road // Vestnik TADI. - Tashkent, 2011. - № 1. pp. 16–21.
5. Tursunov A.A. Upravlenie rabotosposobnostyu avtomobiley v gornyx usloviyax ekspluatatsii: Dis. … Ph.D. techn. science. - Vladimir: VGU, 2002. pp. 441.