中华人民共和国铁道部铁运〔2008〕12号为进一步深化内涵扩大再生产,在更大范围和更深层次拓展挖潜提效的新空间,铁道部决定在全路推行路企直通运输,通过适应性技术改造和运输组织优化等措施,实现本务机车在铁路与“三厂”(电厂、钢厂、石化及炼油厂)、“两矿”(煤矿、金属及非金属矿)、“一港”(主要港口)“、一路”(合资及地方铁路()以下简各铁路局, Ministry of Railways of the People’s Republic of China Railway [2008] No. 12 In order to further deepen the connotation of expanding reproduction in a wider scope and deeper development of new potential for tapping potential, the Ministry of Railways decided to promote road-road through transport, through adaptive technology Transformation and optimization of transport organizations and other measures to achieve the duty locomotive in the railway and the “three plants” (power plants, steel mills, petrochemicals and refineries), “two mines” (coal, metal and non-metallic mineral), “A port” (main port) “, all the way ” (joint venture and local railroad ()