照度对驾驶员的视力有很大影响，夜间事故中约有50％发生在没有照明设施的黑暗道路上，道路照明越差，事故发生的可能性就越大。夜间事故占事故总数的33．1％（虽然夜间出车率只占白天的1／5）。死亡人数则为50％左右，对手致死率白天事故为12．4％，而夜间为33、7％。夜间事故 Illuminance has a significant impact on the driver’s vision, with about 50% of nighttime incidents occurring on dark roads without lighting, and the worse the road lighting, the greater the likelihood of an accident. Night accidents accounted for 33.1% of the total number of incidents (although night-time traffic rates accounted for only 1/5 of daytime). The death toll was around 50%, rival fatalities were 12.4% during the day and 33,7% at night. Night accident