THE MRT SSP Line will be the second MRT line to be developed in Kuala Lumpur. It will serve a corridor with a population of around 2 million people stretching from Sungai Buloh to Putrajaya. The proposed alignment is 52.2km of which 13.5km is underground. A total of 37 stations, 11 of them underground, will be built. The line is scheduled for full service in 2022.