Letters | MTR must speed up signalling system upgrade

Readers discuss a train service delay, and an unsatisfactory experience with a ferry operator

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MTR trains on the Kwun Tong Line in 2021. Photo: Dickson Lee

Published: 2:30pm, 10 Mar 2024

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On the morning of February 29, signalling issues caused delays in train services on the Kwun Tong, Tsuen Wan and Island lines during the morning rush hour, when crowds descend on these important lines.

The old automatic train operation (ATO) system currently in use on the three affected lines has long been due for an upgrade. The MTR is moving to a new Communications-Based Train Control (CBTC) model, which enhances the frequency of trains significantly by allowing them to run at reduced intervals. However, after an accident during the testing stage in 2019, progress has been much delayed. It is high time the MTR picked up the pace of the signalling system upgrade before another incident occurs.

Early indications suggest that a problem on February 29 at the control centre meant it was unable to manage train operations on those lines and so the rail operator had to switch to a backup system at the stations, resulting in delays. To support both the existing and the new CBTC system and prevent a repeat of such incidents, communication hardware and software must be regularly checked for faults, which can hopefully be done overnight.

It is also worth noting that though the MTR informed passengers of delays, notification can still be improved. Display screens should be installed at station entrances to warn passengers who may not have been aware of delays before entering paid areas, giving them the space to consider alternative modes of transport.

This incident could be an omen of more incidents involving signalling issues on the MTR. To prevent a serious accident, the MTR needs to speed up the improvement of signalling and communication infrastructure.