SMRT Corp is investing $195 million to replace the signalling system on the North-South East- West (NSEW) Lines. Thales Solutions Asia is the contractor appointed to undertake the project.
The project, which will be completed in phases from 2016, will make it possible for trains to run at an improved frequency of 100 seconds, down from 120 seconds today, reducing waiting time for commuters.
The new signalling system used will be a “Communications-Based Train Control” system, where a train's precise location and speed are tracked and safety gaps between trains are not based on signal blocks but between trains. Such a system can reduce the time gap between trains entering and exiting stations by 20 seconds, to 100 seconds, during peak periods.
The replacement work covers more than 100 km of tracks on the NSEW Lines and involves
• designing of a new signalling system;
• manufacturing and installing of new signalling equipment;
• testing and commissioning of the new signalling system at all tracks, stations, trains, depots as well as the Operations Control Centre.
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