Changi Airport MRT station is an underground Mass Rapid Transit (MRT) station serving Changi Airport and its supplementary structure Jewel in Changi, Singapore. It is the terminus of the Changi Airport branch of the East West line (EWL). The station is operated by SMRT Trains and is built in an east–west direction. The two ends of the station connects directly to Terminals 2 and 3 of Changi Airport.