Delays to Sydney’s peak-hour train services caused by a raft of incidents have continued to surge since a wide-ranging review into the beleaguered heavy rail network almost two years ago, hitting their worst levels in more than a decade.

The highest number of incidents during peak hours caused by factors such as infrastructure defects since 2014 was recorded in May last year at 568, and they remain high this year, new figures show.

Denting commuter faith in the network’s reliability, 558 incidents that resulted in delays to passenger trains were recorded in March – the second-highest in more than a decade – followed by 538 in July.

Infrastructure defects are a major problem for Sydney Trains. Credit: Oscar Colman

The incidents have trended higher since 2023, when a review into the

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