The Downtown Line (DTL) is the fifth Mass Rapid Transit line in Singapore. The 4.3-kilometre (2.7 mi), 6 station Stage 1 of the line opened on 22 December 2013, with Stage 2 on 27 December 2015 and Stage 3 due to open in 2017. The line will connect the North-Western and Central-Eastern regions to the new downtown of Singapore.
The Downtown Line interchanges with the North East Line at Chinatown, with the East West Line at Bugis, and with the Circle Line at Bayfront and Promenade. Future extensions of the Downtown Line will interchange with the North East Line at Little India, with the North South Line at Newton, with the East West Line at Tampines and Expo, with the Circle Line at MacPherson and Botanic Gardens, and with the Bukit Panjang LRT at Bukit Panjang.