Transport Minister Khaw Boon Wan told Parliament yesterday that the driver of the train, which collided with a stationary one, could not have reacted in time.
Commuters travelling between Tuas and Pasir Ris on the East-West Line will not have a smooth journey for a while, due to the fallout from last week's collision.
Commuters are relying on alternative modes of transport to get to work in the western end of Singapore following the Joo Koon MRT collision.
Seven more commuters sought treatment yesterday after the train collision at Joo Koon MRT station, bringing the total number of those injured to 36.
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.
A stalled train was hit by another train at Joo Koon yesterday due to a software glitch, resulting in 29 people being injured.
The SMRT train collision on Wednesday morning, which saw 25 passengers injured, was the second such incident in the MRT's 30-year history.
An SMRT train hit a stationary train at Joo Koon MRT station this morning, injuring 23 passengers who have been taken to hospital.