沙田至中環綫
In 2011 to 2016, the station underwent major expansion to accommodate two new sets of platforms underneath the original structure to serve two more MTR lines, the South Island line and the East Rail line (part of the Sha Tin to Central Link). The East Rail line platform will not open until 2022, with the commencement of the second phase of the Sha Tin to Central Link. The South Island line opened in 2016.