Downtown Line The station was first announced as part of Downtown Line Stage 2 (DTL2) on 15 July 2008. After a public poll in 2009, the station kept its working name of "Stevens". The contract for the design and construction of Stevens station and associated tunnels was awarded to Sembawang Engineers and Constructors Pte Ltd for in July 2009. The contract also included the construction of the adjacent
Botanic Gardens station. Construction of the station was scheduled to commence in the third quarter of 2009 and targeted to complete by 2015. The station opened on 27 December 2015 along with the other DTL Stage 2 stations. Two other entrances, Exits B and C, opened on 23 November 2019. The underpass was built using new tunnel technology, a rectangular tunnel boring machine (RTBM), which minimised disruptions on the ground and enabled the construction to be completed ahead of schedule.
Thomson–East Coast Line Stevens station was first announced to be an interchange station with the planned 22-station Thomson Line (TSL) on 29 August 2012. The contract for the design and construction of Stevens TEL Station and associated tunnels was awarded to Daewoo Engineering & Construction Co. Ltd for S$441 million (US$ million) in April 2014. Construction of the station began in January 2015, and was expected to be completed in 2021. With restrictions imposed on construction due to the
COVID-19 pandemic, the TEL3 completion date was pushed by one year to 2022. On 9 March 2022, Transport Minister
S Iswaran announced in Parliament that TEL 3 would open in the second half of that year. As confirmed during a visit by Iswaran at the and stations on 7 October 2022, the TEL station began operations on 13 November. ==Details==