随着我国的经济发展,交通需求日益旺盛,交通供需矛盾加大。去年,全国每天千余人遭车祸。据统计,１９９９年,全国公安交通管理部门共受理道路交通事故４１２８６０起,造成８３５２９人死亡、２８６０８０人受伤,造成直接经济损失２１２４０１万元,分别比上年增长１９３%、７０%? With the economic development of our country, the traffic demand is getting stronger day by day, the contradiction between supply and demand of transportation increases. Last year, over 1,000 people in the country were killed in car accidents. According to statistics, in 1999, a total of 412,860 road traffic accidents were handled by the public security and traffic control departments of the country, causing 83,529 people were killed and 286,080 injured. The direct economic losses were 2.12401 billion yuan, an increase of 193% and 70% over the previous year respectively.