To promote the exchange and cooperation in railway technology between China and the rest of the world，National Railway Administration organized the translation of this Code.
　　This Code is the official English language version of TB 10625-2017. The Chinese version of this Code was issued by National Railway Administration and came into effect on May 1，2017. In case of discrepancies between the two versions，the Chinese version shall prevail. National Railway Administration owns the copyright of this English version.
　　The Third Railway Survey and Design Institute Group Corporation prepared the English version China Railway Engineering Consulting Group Co. ， Ltd.provided great support during review of this English version.
　　Your comments are invited and should be addressed to Technology and Legislation Department of National Railway Administration， No. 6 Fuxing Road， Beijing 100860， P. R. China and China Railway Economic and Planning Research Institute，29B，Beifengwo Road， Haidian District，Beijing 100038，P. R. China.
　　The translation was performed by Ma Li，Zhang Yue Zhang Tian，Yu Hongfei，Chen Yue， Wu Xitao，Li Dahui， Cao Jianing， Xun Jialei， Huo Fei， Zhang Xiaobo， Liu Xinyu， Li Changqing， Wang Yifei，Lin Mingjia，Wang Jingyuan，Xiong Fei，Dai Ping，Huang Jianshuang，Pei Lu，Wang Simeng， Di Jiao，Tang Haimin，Liu Weichao，Zheng Qianying，Sun Fangying，Shi Zijin，Lu Chang.
　　The translation was reviewed by Chen Shibai， Wang Lei， Yang Quanliang， Zhai Jinying， Bao Wei，Wang Lingling，Xu Weiping，Liu Dalei.