信号灯故障导致了这次撞车事故。
目前官方尚未公布此次事故的调查结果，但媒体报道引用官方说法是信号灯故障是造成事故的关键因素。
Authorities have not yet disclosed the results of an investigation into the cause of that accident, though state media cited officials saying signaling equipment was thought to have been a key factor.
据Google透露，在行车测试中，仅发生了一个小事故，当时其中一辆试验汽车在交通信号灯前停下时，后面车辆与之发生了追尾碰撞。
According to Google, only one minor accident took place during the testing, when one of the cars received a bump from behind at traffic lights.
当然，火车停下来需要非常长的时间，据说由于一名工程师将夜晚天空中的星星误认为全线通行的信号灯，导致了若干起灾难性事故的发生。
Trains, of course, take an interminably long time to stop, and legend has it that several disastrous collisions happened after an engineer mistook stars in the night horizon for an all-clear.
事故的罪责落在毁坏交通信号灯的那个人身上。
The blame for the accident attaches to the man who destroyed the traffic signal.
JXB55根据欧洲CE设计标准，特别设置了一个红外线安全门 ，红外线信号灯指示，以避免发生事故发生。
JXB55 is designed according to CE standard. Adding a safe door and infrared signal lamp to avoid the the happen of accident. This machine looks neat and nice.
JXB55根据欧洲CE设计标准，特别设置了一个红外线安全门 ，红外线信号灯指示，以避免发生事故发生。
JXB55 is designed according to CE standard. Adding a safe door and infrared signal lamp to avoid the the happen of accident. This machine looks neat and nice.
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