Ferguson S A, Preusser D F, Lund A K, Zador P L, Ulmer R G
Insurance Institute for Highway Safety, Arlington, Va 22201.
Am J Public Health. 1995 Jan;85(1):92-5. doi: 10.2105/ajph.85.1.92.
Fatal crashes were tabulated for 6-hour periods around sunrise and sunset, from 13 weeks before the fall change to standard time until 9 weeks after the spring change to daylight saving time. Fatal-crash occurrence was related to changes in daylight, whether these changes occurred abruptly with the fall and spring time changes or gradually with the changing seasons of the year. During daylight saving time, which shifts an hour of daylight to the busier evening traffic hours, there were fewer fatal crashes. An estimated 901 fewer fatal crashes (727 involving pedestrians, 174 involving vehicle occupants) might have occurred if daylight saving time had been retained year-round from 1987 through 1991.
统计了从秋季恢复标准时间前13周直至春季改为夏令时后9周期间，日出和日落前后6小时内的致命撞车事故。致命撞车事故的发生与日照变化有关，无论这些变化是随着春秋季时间变化突然发生，还是随着一年中季节的逐渐变化而发生。在夏令时期间，日照时间向更繁忙的晚间交通时段转移了一小时，致命撞车事故减少。如果1987年至1991年全年都实行夏令时，估计可能会减少901起致命撞车事故（其中727起涉及行人，174起涉及车内乘客）。
