The Bangkok Mass Transit System, commonly known as the BTS or the Skytrain (Thai: รถไฟฟ้า RTGS: rot fai fa), is an elevated rapid transit system in Bangkok, Thailand. It is operated by Bangkok Mass Transit System PCL (BTSC), a subsidiary of BTS Group Holdings, under a concession granted by the Bangkok Metropolitan Administration (BMA). The system consists of 35 stations along two lines: the Sukhumvit Line running northwards and eastwards, terminating at Mo Chit and Samrong respectively, and the Silom Line which serves Silom and Sathon Roads, the central business district of Bangkok, terminating at National Stadium and Bang Wa. The lines interchange at Siam station and have a combined route length of 38.7 kilometers (24.0 mi). The system is also known as "the Elevated Train in Commemoration of HM the King's 6th Cycle Birthday".
