| April 2008 |
Executive Council decided that the MTR Corporation Limitied (MTRCL) should be asked to proceed with the further planning and design of Hong Kong Section of XRL |
| Environmental Impact Assessment Ordinance process commenced |
| July 2008 |
Funding approval for the design and site investigation works obtained |
| November 2008 |
XRL was gazetted under Railways Ordinance |
| January 2009 |
Preliminary design completed. Detailed design commenced |
| September 2009 |
Environment permit obtained |
| October 2009 |
Chief Executive in Council authorized the XRL scheme |
| January 2010 |
Funding approval from Legislative Council obtained |
| The Government and the MTRCL executed entrustment agreement regarding the construction and commissioning of the Hong Kong Section of XRL |
| Construction works commenced |
| February 2010 |
Foundation works for West Kowloon Terminus and construction works for Mai Po Construction Shaft and Ventilation Building commenced |
| August 2010 |
Construction works for Ngau Tam Mei and Tai Kong Po Construction Shaft and Ventilation Building commenced |
| October 2010 |
Construction works for the Stabling Sidings and Emergency Rescue Station at Shek Kong and Pat Heung Ventilation Building commenced |
| January 2011 |
Construction works for West Kowloon Station Terminus South commenced |
| April 2011 |
Major excavation works for West Kowloon Station Terminus South commenced |
| May 2011 |
Tunnel adit to main tunnels at Shek Yam completed and excavation of main tunnels commenced |
| June 2011 |
First tunnel boring machine (TBM) delivered to construction site at Mai Po |
| August 2011 |
TBM drive at Mai Po was launched to build the tunnel section between Mai Po and Ngau Tam Mei |
| October 2011 |
Construction works for West Kowloon Terminus North commenced |
| November 2011 |
Excavation of main tunnel between Shek Yam and Mei Lai Road commenced |
| February 2012 |
TBM drive at Nam Cheong was launched to build the tunnel section between Nam Cheong and Mei Lai Road |
| April 2012 |
TBM drive at Nam Cheong was launched to build the tunnel section between Nam Cheong and Hoi Ting Road |