Train service between Gul Circle and Boon Lay stations on the East-West Line was delayed after an SMRT employee was injured while carrying out maintenance work.
Train commuters heading to the western end of Singapore will not be able to use the four stations on the Tuas West Extension until Monday.
The rush hour crowd at Joo Koon MRT station was more packed than usual as train services between Joo Koon and Tuas Link stations were suspended.
An SMRT train hit a stationary train at Joo Koon MRT station this morning, injuring 23 passengers who have been taken to hospital.
This delay comes less than a week after morning disruption on 19th January, which caused MRT trains to crawl haltingly between Boon Lay and Clementi.
Trains going between Joo Koon and Clementi had to travel at slower speeds owing to the faulty track circuit, which is used to control the speed of trains.
An integrated transport hub at Joo Koon, featuring a new bus interchange located next to the existing MRT station, will be ready by end of 2014.
Train services between Jurong East and Joo Koon MRT stations were delayed by 35 minutes yesterday evening due to a circuit failure.