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运行车速断面图能较好地对道路的线形进行评价,从而分析交故事故的潜在原因。目前计算运行车速会耗大量的人力、物力和财力。运用软件VISSIM模拟道路运行车速的方法,对于已建道路的线形安全分析能节省很大财力;对于正在设计的道路线形也有很好的预测和分析作用。
The running speed profile can better evaluate the linearity of the road and analyze the potential causes of the accident. The current calculation of running speed will consume a lot of manpower, material and financial resources. Using software VISSIM to simulate the running speed of the road can save a great deal of money on the linear safety analysis of the existing road and also has a good prediction and analysis function for the road shape being designed.