KHAW BOON WAN: SIGNALLING FAULT DUE TO FAULTY HARDWARE ON ROGUE TRAIN

The Circle Line’s intermittent loss of signal communication has caused us many sleepless nights. We beefed up the Land Transport Authority – We Keep Your World Moving, SMRT team with expertise from other agencies, especially Infocomm Media Development Authority, Singapore, GovTech (Government Technology Agency of Singapore), DSTA Defence Science and Technology Agency and DSO National Laboratories.

The additional firepower has been most useful. While we knew signal interference was the cause, tracking down the source was not so straight-forward. GovTech and DSTA colleagues helped us think out-of-the-box and finally identify the rogue train with faulty signalling hardware as the culprit.

It was a wonderful Team Singapore effort, where every possible expert came together and put their hearts and minds to the assignment. We are also grateful to the telco companies for working with us. We also thank our commuters for their patience and cooperation.

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