Table 1.4 - RAILWAY PROJECTS UNDER PLANNING Project Indicative Completion Window Cost Estimates (in $ billion ) Kowloon Southern Link (gazetted under Railways Ordinance on 26 March 2004) 2008-2009 8-9 (MOD) Shatin to Central Link (1) 2008-2011 27-37 (MOD) Island Line Extensions (2) Under Review Northern Link 2011 - 2016 9 (1998 prices) Regional Express Line (i.e. Hong Kong section of Guangzhou-Shenzhen-Hong Kong Express Rail Link) Under Review Port Rail Line depends on the growth of cross-boundary freight traffic 5-9 (1998 prices) Note: (1) comprising Tai Wai to Diamond Hill Link, East Kowloon Line and Fourth Rail Harbour Crossing. (2) comprising North Hong Kong Island Line (NIL) and West Hong Kong Island Line (WIL). The implementation of NIL will be beyond 2016. MTRCL has commissioned a study to develop various schemes for integrating WIL and South Hong Kong Island Line.