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一、存在的主事问题及薄弱环节汉丹线汉襄段的区间通过能力已接近饱和，很难适应增开列车的需要。即使通过改造，消除小辛店～长江埠、浙河～随州、枣阳～董岗三个限制区间，随州～襄樊北、随州～江岸西两牵引区段通过能力也只能分别达到36.9对和37.8对。特别是随州区段站以西有近10个区间的通过能力均达不到40对。因此汉丹线技术改造势在必行。同时，沿线各站货物线少而短，且许多有货物装卸作业的车站，没有货物线和存车线，配套设计欠齐全，股道数量不足，因此，利用到发线进行装卸作业，影响了铁路的正常运营。再则，现有信号较为落后，尚有一部份臂板信号及其联锁设备，影响运输效率的发挥。
First, there are the main issues and weaknesses Hanshin Han-paragraph section of the passage of capacity is close to saturation, it is difficult to adapt to increase the train needs. Even through the transformation and elimination of Xiaoxindian ~ Changjiangbu, Zhehe ~ Suizhou, Zaoyang ~ Donggang three restricted interval, Suizhou ~ Xiangfan North, Suizhou ~ riverbank West two traction section through capacity can only reach 36.9 and 37.8 right. In particular, nearly 10 sections west of the Suizhou section reach less than 40 pairs. Therefore, the technical transformation of the Han and Dan lines is imperative. At the same time, the cargo lines along the lines are short and short, and many stations with cargo loading and unloading operations do not have cargo lines and storage lanes. The design of supporting facilities is not complete and the number of stock channels is not enough. Therefore, the loading and unloading operations using the hairline have an impact The normal operation of the railway. In addition, the existing signal is relatively backward, there is still part of the arm signal and interlocking equipment, affecting the efficiency of transport play.