The study is intended to develop options for and assess the technical feasibility of potential high-speed rail corridors, including transport links at three potential sites for a terminal station. These will include sites in the vicinity of metro stations at Tuas West and Jurong East and one location in the city centre.

The closing date for expressions of interest is May 19, and the study is due to be completed by the first quarter of next year.

The prime minister of Malaysia Mr Najib Tun Razak and his Singaporean counterpart Mr Lee Hsien Loong pledged in February 2013 to build the 330km railway by 2020, bringing the journey time between the two cities down to around 90 minutes.