交通事故列于人类非正常死亡原因中的前几位，人们渴望更安全的汽车及其交通设施使人无后顾之忧，世界汽车工业的发展与安全因素息息相关，下面有一组这方面较新的信息。日本政府制定了一项长期计划，将在未来20年时间中投资500亿美元，建设智能交通系统，司机出发前只要按键到 Traffic accidents are listed in the top of the causes of human unnatural deaths, people are eager to safer cars and their transport facilities no worries, the development of the world automobile industry and safety factors are closely related, there is a group of newer information in this regard. The Japanese government has formulated a long-term plan to invest 50 billion U.S. dollars in the next 20 years to build an intelligent transportation system. Drivers should press the key