高速公路交通事故经常需要鉴定车速。本文以一起行人横穿高速公路遭受车辆撞击致死的案例为例,分析涉及行人的车速鉴定方法,并提出事故现场勘察与车速鉴定过程中应注意的几点启示。 Highway accidents often require identification of speed. In this paper, a pedestrian crosses the expressway to be hit by a vehicle and hits the vehicle as an example, the paper analyzes the method of identifying the speed of pedestrians and puts forward some enlightenments to be paid attention to during the scene investigation and vehicle speed identification.