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广东高速公路发展迅猛,1989年全省第一条高速公路建成通车,至2014年底,全省高速公路通车里程已达到6280公里。高速公路车流量极大,承载了全省75%以上的客流、货流,大部分路段处于超负荷运转。由于受地理条件所限,很多高速公路呈现桥梁多、隧道多、坡道多、弯道多等特点,安全通行条件较差。据统计,15年来全省发生在高速公路上的交通事故,长坡路段就占了21.3%。面对高速公路长下坡路段交通事故
The rapid development of Guangdong Expressway, the province’s first highway opened to traffic in 1989, the end of 2014, the province’s highway mileage has reached 6280 km. Expressway traffic volume is extremely large, carrying more than 75% of the province’s passenger flow, cargo flow, most sections are in overload operation. Due to the limitation of geographical conditions, many expressways have many bridges, many tunnels, many ramps, many corners and the like, and have poor safe traffic conditions. According to statistics, over the past 15 years in the province occurred in the highway traffic accidents, long slope section accounted for 21.3%. In the face of highway long downhill road traffic accidents