改革开放以来，党中央、国务院高度重视铁路建设工作，把加快铁路建设作为加快经济发展、增强经济发展后劲的战略重点，在政策上给予大力支持。铁道部为扭转铁路运输制约国民经济发展的被动局面，把握机遇，加快建设，根据不同时期国民经济建设和发展需要，遵循“近筹缓解... Since the introduction of the policy of reform and opening up, the CPC Central Committee and the State Council have attached great importance to the work of railway construction and have made accelerating policy support by speeding up the railway construction as a strategic focus of accelerating economic development and enhancing the stamina of economic development. In order to reverse the passive situation of railway transportation that restricts the development of the national economy, the Ministry of Railways seized the opportunities and accelerated the construction. According to the needs of national economic construction and development in different periods, the Ministry of Railways followed the principle of "immediate mitigation ...