Written Reply to Parliamentary Questions on Maintenance Regime of LRT And MRT Lines that Experienced Recent Disruptions

Mr Jackson Lam asked the Acting Minister for Transport 

a.    what long-term engineering upgrades are LTA, SBS and SMRT planning for point machines and track components, including sensors, on all MRT lines; 

b.     what are the current inspection and maintenance regimes for the East-West Line (EWL) point systems; and 

c.     whether warning signs had preceded the EWL track point fault on 6 August 2025.

Mr Jackson Lam asked the Acting Minister for Transport 

a.     how many signalling-related disruptions have occurred on the North–South MRT Line in the past year; 

b.     what is the aggregate duration of such disruptions and the number of commuters impacted; 

c.     what caused the 2 September 2025 fault between Woodlands and Yishun MRT stations; and 

d.     what remedial steps are planned to address such cause.

Assoc Prof Jamus Jerome Lim asked the Acting Minister for Transport with regard to the two power fault incidents on the Sengkang-Punggol LRT between 12 August 2025 and 15 August 2025

a.     whether lapses in routine maintenance have contributed to the breakdowns; and

b.     if not, whether LTA considers the current maintenance schedule adequate.

Reply by Acting Minister for Transport Jeffrey Siow: 

1.     These questions have been addressed in the oral reply to Parliamentary Questions Nos 19 to 24 at the 22 September 2025 Parliament sitting.