Wu Kai Sha is the northeastern terminus of the Tuen Ma line of the MTR rail transit system in Hong Kong.

[1] The Chief Executive in Council authorised the Ma On Shan Rail project in October 2000,[2] and construction began on 12 February 2001.

[5] Initially, 4-car trains operated between Tai Wai and Wu Kai Sha, with a headway of every 3 minutes during peak hours.

As part of the related works of the Shatin to Central Link project, work began in 2012 to retrofit Ma On Shan line stations to fit 8-car trains,[8] and automatic platform gates were installed at stations on the line beginning in November 2014.

[10] The works on the Ma On Shan line were completed in December 2017, following the introduction of 8-car trains and the installation of platform gates at all stations.