一、概述南昌～向塘公路全长25.5公里(其中7.2公里由城建部门管辖),是国道北京～广州线的一段,是江西省省会通向赣中、赣南、赣西、赣东、赣东北、赣东南及南昌民航机场的必经之路,目前是全省公路中交通量最大的路段。如图(一)所示,计划改造的路段从机床厂门口起至丁坊村止,长约23公里,图中虚线部分是三个改造方案走向示意。 I. Overview Nanchang ~ Xiangtang Road, a total length of 25.5 kilometers (7.2 km by the urban construction department under the jurisdiction of) is the national highway Beijing ~ Guangzhou Line of a section of the provincial capital of Jiangxi Province to Ganzhong, Gannan, Jiangxi, Jiangxi, Jiangxi Northeast, Southeast Jiangxi and Nanchang Civil Aviation Airport must pass the road, is currently the province’s largest road traffic in the road section. As shown in figure (1), the road section planned to be reconstructed starts from the gate of the machine tool plant to Dingfang Village only about 23 km long. The dashed line in the figure shows the three reconstruction plans.