Travellers are advised to allocate an additional 30 minutes of travel time between Promenade MRT and Serangoon MRT in both directions.
A signalling fault occurred between Lorong Chuan and Caldecott on the Circle Line, causing delays for commuters during the morning peak hour on Friday, 21 May.
Set to support the testing of the Circle Line 6 trains and system, as well as mid life upgrades for trains, the facility is set to be fully operational by 2024.
A train fault occured on the North-South Line late on Friday night, 8 January 2021, but it was cleared and services were progressively restored before midnight.
The Downtown Line was hit by a signalling fault during the evening peak hour on 28/12/2020, causing delays ranging from 15 to 20 minutes.
The Thomson-East Coast line suffered a signalling fault on the morning of Friday, 4 December 2020, with no services available on the entire line.
Preliminary investigations indicate that a faulty power cable had caused the breakdown which disrupted the evening rush-hour commute for many commuters.
A power fault on the North-South and East-West lines during the evening rush hour on 14 October 2020 has resulted in delays for commuters.
A train fault extended travelling time on the North-South Line by 15 minutes on the morning of 14 August 2020, the second rail glitch in the week.
A track fault near Braddell MRT station was slowing down train service on the North-South Line towards the city on 17 March 2020.
A power fault caused a six-hour disruption on the North East Line, with services at Punggol, Sengkang, Buangkok MRT stations hit during morning rush hour.
Train service on the North-South Line was disrupted between four MRT stations after a signalling fault hit the line.
A track fault at HarbourFront MRT station caused delays for about an hour on Friday morning on the North East Line.
Eastbound trains on the East-West MRT line skipped Dover station on Wednesday morning, 3 July, because of a faulty platform screen door.
The North-South Line and Circle Line were affected by a power fault on Sunday morning, resulting in slow train services.
A track fault has once again rendered trains crawling along the East-West Line on Friday morning, 15 March.
The station manager was suspended with immediate effect after he made an error that allowed the train to move off from Ang Mo Kio station with its door open.
The Downtown Line was hit by a signalling fault early Wednesday morning, causing service delays from Bukit Panjang to Bedok.
A train fault encountered at Fajar LRT station caused services on the Bukit Panjang LRT to be disrupted on Monday evening.
Commuters on the North-South Line faced delays during their Tuesday morning commute due to a train fault at Marsiling MRT station.