赵紫阳总理在六届五次人代会的政府工作报告中谈到经济体制改革时强调指出,必须按照经济发展的客观需要,继续发展横向经济联合,鼓励建立企业群体和企业集团。铁路运输社会化大生产和联动机的特点,必须加强横向联合。特别是主要运输干线,它承担了绝大部分的客货运输任务,是客货流集散、输送的大通道,也是交通运输的主动脉。但由于交接口过多,切割太甚,使大动脉不畅通,运输能力得不到充分发挥。所以加强干线上各铁路企业 In his report on the government work of the Fifth Plenary Session of the 6th CPC Central Committee, Premier Zhao Ziyang emphasized that in reformation of economic system, he pointed out that we must continue to develop horizontal economic cooperation and encourage the establishment of business groups and enterprise groups in accordance with the objective needs of economic development. The characteristics of large-scale socialized railway production and linkage engine must be strengthened horizontally. In particular, the major transport routes, it undertakes the vast majority of passenger and freight transportation tasks, is the passenger and cargo distribution, transportation channel, is also the transport aorta. However, due to too many interfaces, cutting too much, so that the aorta blocked, transport capacity can not be fully realized. Therefore, to strengthen the railway on the main railway companies