一、事故发生 许某是天津 联合玻璃厂的驾驶员。一天下午 3时许,他驾驶大客车沿中环线 由北向南行驶。行至西青道口已 进入直行的“导向车道”内,本想 直行通过路口,但这时的指挥灯 信号由绿、黄变红,许某临时改 First, the accident occurred Xu is a joint glass factory in Tianjin driver. One o’clock in the afternoon, he drove a bus north to south along the Central Line. To the West Greenway has entered the straight “guide lane”, wanted to go straight through the intersection, but then the command light signal from green, yellow to red, Xu temporary change