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本文结合区域城市分布、既有路网布局以及地形、地质条件,在北至长荆线、南至汉宜高速公路,横向宽度约100km范围内进行了大面积、多方案线路走向比选,研究了沿既有线的北线方案、沿武汉至宜昌航空线的中线方案以及基本沿汉宜高速公路城市带的南线方案等三大方案,推荐沿线城市最为密集、经济最为发达、线路较为顺直的南线方案。
Based on the distribution of regional cities, the existing road network layout and the topography and geological conditions, a large area and multi-plan route selection and comparison are conducted in the range of 100km from the north to the Changjing line and the south to the Han-Yi Expressway. The three schemes along the existing line of the northern route, along the line from Wuhan to Yichang airline line and the basic line along the Han-Yi highway city line three programs, the recommended city along the most intensive, most economically developed, the route is more straight South line program.