车祸日多，天下忧心。“安全第一”，这四个无数人用鲜血和生命书写的大字，向全社会发出了警告，它警告人们在日常活动中应尽可能地做到安全与效益的辩证统一。在影响道路安全的诸多因素中，作为机动车、行人、非机动车运行基本准则的交通规则是否科学合理至关重要。因此我们 More car accidents, worries around the world. “Safety First”, the characters written by innumerable people in blood and life, sent warnings to the whole society and warned people of the dialectical unity of security and effectiveness as much as possible in their daily activities. Among the many factors influencing road safety, it is of vital importance that the traffic rules as the basic norms for the operation of motor vehicles, pedestrians and non-motor vehicles are scientific and reasonable. therefore, we