the lifts were upgraded in august 2009 and had been the last station to be barrier-free, due to the big size of the station. buona vista mrt station is the second station to serve as an interchange between an above and underground mrt line, with the first being paya lebar. the station is fitted with high-volume low-speed fans, which commenced operations on 25 june 2012, the same day as the fans at commonwealth.