High Quality Content by WIKIPEDIA articles! Downtown MRT Station is the name for an underground Mass Rapid Transit station on the Downtown Line Stage 1 in Singapore, formerly known as the Downtown Extension. It will connect the southern part of Marina Bay where future developments such as The Sail @ Marina Bay & the Marina Bay Financial Centre lie to the current Central Business District. The station will serve future commercial developments within the Marina Bay vicinity, and will be located under Central Boulevard. Like Changi Airport station, fare gates will be on the same level as the train platform.