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目录1.概述···········································11.1编制依据·······································11.2编制内容·······································11.3研究的主要结论·································11.4问题与建议·····································52.现状及发展·····································62.1研究区域社会经济概况···························62.2国民经济发展预测·······························112.3区域交通运输状况及发展趋势·····················122.4项目公路现状调查·······························143.交通量预测·····································163.1公路交通调查调查及分析·························163.2交通量预测·····································183.3交通量预测结果·································204.项目建设条件···································214.1自然条件·······································214.2筑路材料来源及运输条件·························244.3社会环境分析···································245.建设规模与技术标准·····························265.1技术标准·······································265.2建设规模·······································266.路线方案·······································286.1路线方案选择的控制因素·························286.2路线方案选择基本原则···························286.3路线起终点选择·································286.4总体路线方案···································297.工程概况·······································317.1线形设计·······································317.2路基工程·······································327.3路面工程·······································347.4桥涵工程·······································347.5交叉工程·······································367.6沿线设施·······································368.工程环境影响分析·······························388.1沿线环境特征···································388.2建设项目工程环境影响···························388.3减缓工程环境影响的对策·························399.投资估算与资金筹措·····························419.1投资估算·······································419.2资金筹措·······································4210.经济评价·······································4310.1评价参数·······································4310.2费用调整·······································4310.3国民经济评价计算·······················