随着我国交通现代化的发展,高速公路、高等级公路的比率大幅度上升。在这些公路上行驶的车辆其车速也在大幅度上升(车速为 80 km/h～100 km/h的相当普遍,甚至达100 km/h以上)。大量恶性交通事故发生在高速公路上,多辆车追尾交通事故也时有发生,在合肥-南京高速公路上的一次追尾交通事故中追尾连撞车辆竟达80辆以上。1999年全国公路交通事故发生412 860起,死亡 83 529人,伤 28万多人,平均每天死亡人数高达229人! With the development of China’s traffic modernization, the ratio of highways and highways has risen sharply. Vehicles traveling on these roads also experience a substantial increase in speed (80-80 km / h to 100 km / h is quite common and even up to 100 km / h). A large number of vicious traffic accidents occurred on the expressway. More than one vehicle rear-end traffic accidents also occurred from time to time, with more than 80 rear-end collision vehicles in a rear-end traffic accident on the Hefei-Nanjing Expressway. In 1999, a total of 412,860 road traffic accidents took place in the country, killing 83 529 people and injuring more than 280 000. The average daily death toll was as high as 229.