東西線
Jurong East MRT station has a less complicated arrangement, with the terminating rail for the North South Line aligned between that of the East West Line, allowing commuters to alight and board simultaneously on either side, with an additional rail for the North South Line used during peak hours. Tanah Merah MRT station also has a less complicated arrangement, with the terminating rail for the East West line Changi Airport Extension aligned between that of the East West line Main Line, allowing commuters to alight and board simultaneously on either side.