Popis: |
America has the world's most developed highway network, every year for domestic automobile, motorcycle and parts and fuel oil, lubricating oil and so on final demand of the total reached 3, 84 billion (1996), It has 74000 km of the interstate highway system, plus the 180000 km of the NHS (national highway system) roads, there are more than 6.05 million km of other roads, The car ownership is expected to reach 230 million by 2000, including passenger cars accounted for 96.7%, truck accounted for 3.3%, Every year car 1.59 trillion vehicle kilometers of transport task, to the United States economic development and social improvement of living standards has an irreplaceable role. However, car accidents are killed 6 ~ 27 people in the United States the most main reason, Road traffic accident of deaths every year in more than 40000 people, plus about 3.4 million people were injured in the United States, The direct economic losses caused by road traffic accident every year a total of 1, 50 billion or more. In this paper, the highway traffic safety in recent 10 years were reviewed the latest development. |