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高速公路具有通行能力高、运输成本低、经济效益好、安全舒适等特点,它已经成为我国综合交通运输体系的重要组成部分。我国在“十二五”期间,将要按照《国家高速公路网规划》的要求,完成8.5万公里国家高速公路网络计划,可以预见,今后10至20年,我国高速公路建设仍将保持较高的增长速度。而随着高速公路里程的迅速增加,高速公路的交通安全问题也日益凸显,并已经成为了社会各界高度关注的热点问题。
Expressway has the characteristics of high traffic capacity, low transportation cost, good economic benefits, safety and comfort. It has become an important part of China’s comprehensive transportation system. During the “Twelfth Five-Year Plan” period, China will complete the national highway network plan of 85,000 km in accordance with the requirements of the “National Highway Network Planning”. It can be foreseen that in the next 10 to 20 years, China’s expressway construction will remain relatively High growth rate. With the rapid increase of highway mileage, the traffic safety of expressways has become increasingly prominent, and has become a hot issue of great concern to all sectors of society.