BTS Skytrain
The Bangkok Mass Transit System, commonly known as the BTS Skytrain (Thai: รถไฟฟ้าบีทีเอส RTGS: rot fai fa [BTS]), 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) which owns the lines.