High Capacity Signalling


The High Capacity Signalling project will make better use of the existing rail network by allowing more trains to run more often.

By upgrading the existing signalling and control systems, which are nearing the end of their asset lives, to an integrated high-capacity signalling system, the rail network will have capacity to grow and see more reliable, safe and punctual train operations.


The project is currently in its planning phase, with the Project Definition Plan underway.


High Capacity Signalling is a long-term project, with installation intended over the next 12 years.

When replacing the signalling systems, a major portion of trackside equipment becomes redundant and can be removed, reducing unplanned service disruptions due to signalling faults and increasing the reliability of the network.

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