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.
All circuit breaker trip coils on the Tuas West Extension have been replaced with new ones, with power cable replacement due to start in January 2021.
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.
The reliability of the train network continued to improve in the last three months, with train-kilometres between breakdowns now above the 1.4 million mark.
The MRT network's reliability continued to improve in the first nine months of this year, with train-km between delays breaching the one million mark.
The North-South Line and Circle Line were affected by a power fault on Sunday morning, resulting in slow train services.
Commuters on the North-South Line faced delays during their Tuesday morning commute due to a train fault at Marsiling MRT station.
The National Transport Workers' Union has called for commuters to help to assist front-line workers when trains break down.
Commuters on the East-West Line were facing a 40-minute delay during the peak hour on Wednesday morning due to a track point fault at Clementi.
Consortium wins $18.8m contract to develop system which aims to cover entire network, says the Land Transport Authority
A track fault along the East-West line on Saturday, 18th August, resulted in a 20-minute delay between Tampines and Pasir Ris stations.
The North-East Line was hit by delays during the Wednesday morning rush hour due to a train fault at Little India station.
A track fault has caused train delays along a west-bound stretch of the East-West Line from Jurong East to Joo Koon on Monday morning.
The number of major MRT delays remained high last year, even as the distance clocked by trains before faults occurred improved considerably.
South-bound trains on the North-South Line will run slower than usual due to temporary speed restrictions as part of ongoing track improvement works.
The Bukit Panjang LRT has broken down after a train damaged a signal stop tape, which is used to indicate where the driverless trains should stop.
For delays exceeding 10 minutes, rail operators must now inform commuters through train and station announcements, as well as mainstream and social media.
Four shuttle bus services will be made available for commuters affected by the shorter MRT station operating hours starting next month.
The Land Transport Authority said that it will share the costs of operating additional bus services due to shorter hours on the East-West Line with SMRT.
Taxpayers and rail operator SMRT will pick up the tab for additional buses rolling out to ferry commuters displaced by shorter hours on the East-West Line.