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·······································