Collapse of Nicoll Highway tunnel

Date: April 20, 2004 • Location: Kallang, Singapore

An incomplete tunnel leading to the Nicoll Highway MRT station in Singapore collapsed, resulting in four deaths and the station's relocation.

Nicoll Highway MRT station is an underground Mass Rapid Transit (MRT) station on the Circle Line (CCL) in Singapore. Located in the Downtown Core underneath Republic Avenue near the Kallang River, the station serves commercial and residential developments along Nicoll Highway, such as the Golden Mile Complex and The Concourse. The station is operated by SMRT Trains.