随着山区公路的高速发展,采用较长较大纵坡来降低工程造价和保护环境越来越多。因此避险车遣设计也更多的被用于避免长大下坡路段的交通事故。 With the rapid development of mountainous roads, the use of longer and longer longitudinal slopes to reduce construction costs and protect the environment is increasing. Therefore, the design of hedging vehicles are also more used to avoid traffic accidents on the downhill section.