铁路作为国民经济的基础产业,是各行各业的“开路先锋”,铁路超前发展是国民经济发展的客观要求,目前我国铁路运能和运输需求的矛盾十分突出,特别是全国20多条主要干线,早已超饱和运行,通过限制口的物资满足率仅达40％,随着社会经济的发展,运能和运量的矛盾将有不断扩大的趋势。 造成铁路目前困境的主要原因是长期以来 As a basic industry of the national economy, railroads are the pioneer in pioneering all walks of life. The advanced development of the railway is an objective requirement for the development of the national economy. At present, the contradiction between the demand for rail transport and transport in our country is outstanding. In particular, there are more than 20 major trunk lines , Already super-saturated operation, only 40% of the material by limiting the mouth to meet the rate, with the social and economic development, the contradiction between capacity and capacity will continue to expand. The main reason for the current railway dilemma is that for a long time