DECISION OF A NEW HIGHWAY LOCATION IN ROAD NETWORK IN TERMS OF CONSTRUCTION COST, TRAVEL TIME AND ENVIRONMENTAL LOAD

机译：根据施工成本，行车时间和环境负荷来确定公路网中的新公路位置

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Base on traffic assignment model and GIS spatial analyses, we aims to optimize the location of a new highway in road network by taking OD traffic time, traffic environment load, construction concerned costs and ecology damages into account. First, existing road network, land use patterns and traffic zones are input into GIS database, and car-based OD traffic are collected. Second, alternative locations are designed and changed road networks are topologized. Third, impacts of alternative on ecology such as occupied swamp, wetland and green are calculated, and OD traffic is assigned in alternative road networks to obtain traffic flow and travel speed on links. Forth, exhaust gases are calculated based on assignment results and emission factors. Finally, alternatives are evaluated and optimal one is selected.

机译：基于交通分配模型和GIS空间分析，我们旨在通过考虑OD交通时间，交通环境负荷，相关建设成本和生态破坏来优化公路网络中新公路的位置。首先，将现有的道路网络，土地利用模式和交通区域输入GIS数据库，并收集基于汽车的OD交通。其次，设计替代位置，并道歉改变道路网络。第三，计算替代方案对生态的影响，例如沼泽，湿地和绿地，并在替代道路网络中分配OD流量，以获取链路上的流量和行进速度。第四，基于分配结果和排放因子计算废气。最后，评估替代方案并选择最佳方案。

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来源
《International Conference on Inter-City Transportation (ICIT) Vol.1; Nov 5-7, 2002; Beijing》|2002年|p.319-323|共5页
会议地点 Beijing(CN);Beijing(CN)
作者
Yang Zhongzhen; Jia Peng; Zheng Jinan;
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作者单位

Dept. of Civil Engineering Dalian University of Technology, Dalian, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类综合运输;
关键词
highway engineering; traffic assignment; GIS; environment load;

机译：公路工程；交通分配； GIS；环境负荷;

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DECISION OF A NEW HIGHWAY LOCATION IN ROAD NETWORK IN TERMS OF CONSTRUCTION COST, TRAVEL TIME AND ENVIRONMENTAL LOAD

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