The addition of a new platform was announced by Land Transport Authority on 25 August 2014 to allow trains to arrive and depart at shorter intervals and an improvement in waiting times with the enhancements. On 26 October 2016, the Land Transport Authority awarded the civil contract to Lum Chang Building Contractors Pte. Ltd. to build a new platform at Tanah Merah Station and viaducts for a contract sum of S$325 million. In addition to the new platforms, the existing East-West Line tracks will be extended to connect the line to the new four-in-one East Coast Integrated Depot at Changi. When completed in 2024, it will be the second station to have triple island platforms after Jurong East.