黎湛线运能严重不足，已超过设计能力36％，而南防线设计年运量为300万吨，去年只98万吨，能力闲置，故作者建议成立南宁铁路公司，以降低南防线运价，上浮黎湛线运价，这样每年可增收1.3亿元。这笔钱可用于黎湛线二期扩建，南防线配套和还本付息，还可用于南昆线和钦州至北海的新线建设。 Li Zhan line transport capacity can be seriously inadequate, has exceeded the design capacity of 36%, while the design of the southern route of traffic to 3 million tons last year, only 980,000 tons, capacity idle, so the author suggested the establishment of Nanning Railway Company to reduce the Nansi line tariff , Floating Li Zhan line tariffs, so that an annual increase of 130 million yuan. This money can be used for the expansion of the second phase of the Li-Zhan line, the South Defense Line and the repayment of principal and interest, but also for the Nan-Kun line and Qinzhou-Beihai new line construction.