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研究高速公路改扩建时机,可以合理确定高速公路改扩建时序。该文通过分析安徽省高速公路现状,以现状OD为基础,采用四阶段推算法对安徽省未来年的高速公路交通需求进行预测,通过交通流量的大小与路段容量综合考虑高速公路改扩建时机。
Research on the timing of highway reconstruction and extension can reasonably determine the timing of the expansion and reconstruction of the expressway. By analyzing the current situation of expressway in Anhui Province and using the current OD as the basis, this paper predicts the traffic demand of expressway in Anhui Province in the next four years by using the four-stage estimation method. Taking into account the traffic flow size and the link capacity, the timing of the expressway reconstruction is taken into consideration.