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基于长沙南站综合交通枢纽设计方案,将主要影响区域划分为39个交通小区后,利用Trans CAD进行OD反推,确定现状出行分布。选用Trans CAD Frator模型预测项目实施后的OD矩阵并进行交通分配。最后叠加诱增交通需求与背景交通需求,利用Trans CAD软件进行路网流量分配。结果显示:应对韶山路(时代阳光大道-高升路)进行扩容;对先锋路(韶山路-洞和路)进行交通流的通行限制。韶山路与先锋路交叉口的交通渠化设计要注重对北向流量的考虑;与时代阳光大道交叉口渠化车道可均衡配置。为满足未来年交通需求,时代阳光大道-高升路路段宜采用隧道/高架主线双向六车道、地面辅道双向六车道的规模;韶山路-洞和路按照高架双向四车道和地面辅道双向六车道的规模。
Based on the design scheme of Changsha South Railway Station integrated transport hub, the main area of influence is divided into 39 traffic areas. After that, the reverse CAD of TransCAD is used to determine the current travel distribution. The Trans CAD Frator model was used to predict the OD matrix after project implementation and traffic allocation. Finally, the superposition of traffic demand and background traffic demand increase, the use of Trans CAD software for road network traffic distribution. The results show that the expansion of Shaoshan Road (Time Sunshine Avenue - Gaosheng Road) should be carried out and traffic flow restrictions should be imposed on Pioneer Road (Shaoshan Road - Donghe Road). Shaoshan Road and Pioneer Road intersection canalization design should pay attention to the North to the traffic flow considerations; and Sunshine Avenue intersections Canalization lane can be balanced configuration. In order to meet the traffic demand in the coming year, Sunshine Avenue - Gaosheng Road section should adopt the tunnel / overhead main line two-way six lanes and ground lane auxiliary two-way six lanes of scale; Shaoshan Road - Donghe Road in accordance with the overhead two- The size of the lane.