It was the western terminus of the East West line from 28 February 2009 to 18 June 2017, until Tuas Link station was built.
[6] The station platform was further retrofitted with high-volume low-speed fans, which began operations on 19 August 2012.
On 18 June 2017, Tuas Link station superseded Joo Koon as the western terminus of the East West Line.
[9][10][11][12][13][14][15] As a result, train services between Tuas Link and Boon Lay stations were temporarily suspended on both directions for 2 hours on the day itself and for the entire day on 16 November, resulting in westbound trains terminating at Boon Lay station.
The rest of the East West line continued to run on the old signalling system between Pasir Ris and Joo Koon.