The Downtown Line (DTL) is a medium-capacity Mass Rapid Transit (MRT) line in Singapore operated by SBS Transit. It runs from Bukit Panjang station in the north-west to Expo station in the east via the Central Area. Coloured blue on the rail map, the line serves 34 stations, all of which are underground. The DTL is the fifth MRT line on the network to be opened and the third line to be entirely underground. It is the second MRT line to be operated by SBS Transit, after the North East Line. Originally planned as three separate lines, the lines merged into the Downtown Line in 2007 and construction began in three stages. The first section, from Bugis to Chinatown station (formerly the Downtown Extension of the Circle Line), opened in December 2013, followed by the second section from Bukit Panjang to Rochor station (formerly the Bukit Timah Line) opening in December 2015. The third and final stage, from Fort Canning to Expo station (formerly the northern part of the East Coast Line), opened in October 2017. At 41.9 kilometres (26.0 mi), the DTL is the longest underground and automated rapid transit line in Singapore as of 2017[update]. The train utilises the Bombardier Movia C951 which runs in a three-car formation on the line. The line is set to be further extended in the 2020s. Stage 3e, an extension of the line to Sungei Bedok, is under construction and is scheduled to begin operations in 2025, while a new infill station, Hume station, is planned to open in 2025. An extension to connect with the North South line at Sungei Kadut station is also being planned and set to open in the 2030s. When fully completed in 2025, the line will be about 44 kilometres (27 mi) long with 37 stations, and will serve more than half a million commuters daily. From Wikipedia