 In December 2010, the government approved the implementation of an MRT project and announced preliminary plans for the first line, stretching from Sungai Buloh to Kajang through 35 stations.The line, known as Kajang Line, will pass through the city centre and will serve densely populated suburban areas including Kota Damansara, Mutiara Damansara, Bandar Utama, Taman Tun Dr Ismail, Bukit Damansara, Cheras, Bandar Tun Hussein Onn and Balakong, with a total catchment population of 1.2 million people.The Kajang Line entered full revenue service on July 2017.