本文是南昌～赣州公路改建二级路方案的可行性研究报告。文中着重调查分析了该线现有交通量及其发展预测,并分析了改建后的经济效益。经初步测算:全线每年可节约运输费用3000万元,节油10571吨,其投资效益比>4,约3～4年即可收回全部投资,因此改造方案是可行的; 目前该线已改建成二级公路222公里,其余205公里正在施工中。 This article is the feasibility study report of Nanchang ~ Ganzhou Highway Reconstruction Class II Scheme. This paper focuses on investigation and analysis of the existing traffic volume of the line and its development forecast, and analyzes the economic benefits after the renovation. The preliminary calculation: the whole line can save transportation costs 30 million yuan each year, saving 10571 tons, the investment efficiency ratio> 4, about 3 to 4 years to recover the entire investment, so the transformation program is feasible; the line has been converted into Second-class highway 222 kilometers, the remaining 205 kilometers under construction.