近年来,随着国内交通状况的发展与变化,道路设计工作理论与实践也随之不断更新和发展。在我国公路线形设计工作中,常用的“设计速度”路线设计方法已被设计人员所掌握,但在实际驾驶中, In recent years, with the development and change of domestic traffic conditions, the theory and practice of road design work have been constantly updated and developed. In the design of highway alignment in our country, the commonly used “design speed” route design method has been mastered by designers, but in actual driving,