A signaller reportedly called in sick at the last minute and no replacement was immediately available
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A single staff member calling in sick has been blamed for delays across multiple Sydney train lines, causing public transport chaos on Thursday.
T1 Western Line trains between Parramatta and St Marys, along with the T5 Cumberland Line from Blacktown to Richmond, were suspended between 2.24pm and 3.37pm initially, eventually rippling out to cause major disruptions across most of the network.
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