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Reduced North South Line Train Frequencies (2-4 Feb)
2 February 2018 @ 11:00 PM - 4 February 2018 @ 7:00 AM UTC+8
To facilitate maintenance works in the MRT tunnel, North South Line train services between Orchard & City Hall as well as between Raffles Place & Marina South Pier will operate at reduced train frequencies during the following hours on the following affected days in February 2018.
| Affected Train Operating Hours | Affected Dates |
| Before 7am on Saturdays & Sundays | 3 & 4 February 2018 |
| After 11pm on Fridays & Saturdays | 2 & 3 February 2018 |
In addition, there will be no North South Line train services between City Hall & Raffles Place during the above affected hours on affected days. East West Line Train Service between City Hall & Raffles Place will operate as per normal.
Find out more at Reduced Train Frequencies on the North South Line (Feb 2018)
In addition, Early Closure, Late Opening & Full Day Closures applies on affected stations along the East West Line as follows in February 2018:
| Affected East West Line Train Stations | Affected Train Operating Hours | Affected Dates |
| Pasir Ris – Paya Lebar & Tanah Merah – Changi Airport |
Early Closure on Fridays at 11pm | 2 February |
| Late Opening on Saturdays at 8am & Early Closure on Saturdays at 11pm |
3 February | |
| Late Opening on Sundays at 8am | 4 February |
Shuttle Bus Services will be provided during affected days.
Find out more at Shortened Operating Hours on East West Line (Feb 2018)