An Abellio Greater Anglia train (Image: Archant)
There are delays of up to 20 minutes for rail users travelling between Ipswich and Cambridge due to a signalling fault.
The fault, between Dullingham and Cambridge, means all trains using the single line have to run at a reduced speed – meaning trains could be delayed by up to 20 minutes or revised.
Disruption is expected until 2pm.
Abellio Greater Anglia apologised to customers if their travel plans were disrupted by any delays.
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