Based on kcrcs latest proposal , the preferred scheme consists of a north - south railway corridor from lo wu to central by extending the east rail across the harbour to central ; and an east - west railway corridor formed by the extension of the ma on shan to tai wai rail link to hung hom and through running to tuen mun via the kowloon southern link and the west rail 根据九铁公司的最新建议,较好的方案包括一个贯通南北的铁路走廊及一个东西行的铁路走廊。前者藉著延伸东铁过海,连接罗湖和中环后者则延伸马鞍山至大围铁路线至红? ,并经九南线及西铁直通往屯门。