shi jie shang shou tiao di xia tie lu xi tong shi 1863 nian kai tong de lun dun da du hui tie lu Metropolitan Railway dang shi dian li shang wei pu ji suo yi ye zhi neng shi yong zheng qi ji che qian yin xian dai cheng shi gui dao jiao tong xi tong du shi yong lai yun zai shi nei tong qin de cheng ke er zai hen duo chang he xia di tie jiao tong xi tong du hui cheng wei cheng shi jiao tong de gu gan bing yi cheng wei xu duo da du shi yong yi jie jue jiao tong yong du wen ti de zhong yao fang fa de guo de xi men zi gong si yu 1879 nian de bai lin bo lan hui zhan shi le yi lie cong di san gui qu dian de yang ban lie che dan shi zhi jin guan yu di tie gang lv fu he shi di san gui zai liu mo ca mo sun shi yan de yan jiu hen shao jian zhu bao dao ben shu yi di tie di san gui shou liu xi tong de zai liu mo sun wei yan jiu dui xiang kai zhan le yuan chuang xing de mo ca xue shi yan yan jiu bing gui na ti lian chu shi yan gui lv dui zai liu mo ca mo sun de ji li kai zhan shen du tan suo jian li le gai xi tong gou cheng tu xi tong guo cheng tu yi ji dian chuan dao dian lu mo xing wei zai liu mo ca mo sun de yan jiu dian ding le ke xue de fen xi ji chu zhu yao nei rong bao kuo dui mo ca mo sun shi yan ji de jia ju he kong zhi bu fen jin xing gai jin she ji yan zhi chu xin xing zai liu mo ca mo sun shi yan zhuang zhi ke yi bi jiao zhen shi di mo ni di tie di san gui yu shou dian xue zhi jian de zai liu mo ca mo sun xing wei shi yan zhong xi tong bing quan mian di yan jiu le dian liu su du ji xing fa xiang ya li deng dui di tie gang lv fu he shi di san gui yu shou dian xue zhi jian mo ca xue te xing de ying xiang jian li le zai liu mo sun zui jia fa xiang ya li san wei guan xi tu jie shi le zai liu tiao jian xia de zhu yao mo sun ji zhi tong shi zai CETR UMT 2 duo gong neng mo ca mo sun shi yan ji shang yong chuang xin she ji de shi yan zhuang zhi yan jiu le jia zai xi tong bu tong de zhi cheng gang du dui gang lv fu he shi di san gui yu shou dian xue mo ca fu zhi jian de zai liu mo ca mo sun te xing de ying xiang