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Passengers at Bishan station (Source : Ariel Twitter account).

Mobile network to be shut down at four stations for CCL testing

Mobile networks for Circle Line (CCL) will be momentarily shut down for the investigation of the intermittent signalling issues that have plagued the line for the entire week.

At around 6.45 pm, SMRT tweeted that it is holding tests. Therefore, commuters would not be able to access their mobile phones at four stations from 7 to 9 pm. The stations are Kent Ridge, Haw Par Villa, Pasir Panjang, and Labrador Park.

For the past five days, the Circle Line experienced delays due to intermittent signalling issues which have not been resolved and the Transport Minister, Khaw Boon Wan has not made any comments publicly about the service disruptions.

In a joint statement by Land and Transport Authority (LTA) and SMRT, they said that temporary suspension of mobile communication services will affect commuters only while commuters are travelling in the underground tunnels along these four stations and on the stations’ underground platforms while waiting for train arrivals.

Commuters will not be able to make mobile phone calls, SMS or access the Internet during the suspension. Those who need to make urgent phone calls can approach SMRT staff at the Passenger Service Centre in each station for assistance.

The statement wrote, "The mobile signals need to be turned off during these two hours as we are checking for possible interference between the telecommunications network and train signalling system during peak hours when most of the incidents have occurred. We seek commuters' understanding as we work to resolve the issue as quickly as possible,"