Rail companies connecting components of Norfolk, Suffolk and Essex with London are severely disrupted resulting from broken overhead electrical wires.
All traces are blocked between Ipswich and Manningtree due to the issue, Larger Anglia mentioned.
The injury was reported on Thursday afternoon however is so in depth it's anticipated to trigger disruption for the remainder of Friday.
The wires had been wrapped round a practice, which was faraway from the scene shortly after midnight.
A restricted alternative bus service is being offered between Colchester and Ipswich.
The disruption comes amid a surge in demand for journey to London as mourners pay their respects to the late Queen.
Larger Anglia is among the many operators operating additional companies to ease journeys.
The corporate mentioned in an announcement: “Community Rail engineers are working to finish the mandatory repairs as rapidly as doable, however the extent and nature of the injury imply that it's at the moment anticipated to take till the top of Friday earlier than the work is completed and a traditional service will be restored.
“We’re very sorry for the inconvenience this disruption will trigger to passengers’ journeys.”
Ellie Burrows, Community Rail’s route director for Anglia, mentioned: “I'm actually sorry to passengers who're affected by the continued points in Suffolk.
“Our engineers have been working because the incident to take away the practice and restore the overhead wires.
“The injury is in depth and it'll take us till the top of the day to repair.
“A rail alternative service is in operation.
“As soon as once more I apologise for the disruption and advise anybody travelling by way of the affected stations to examine with the practice operator earlier than they journey and permit additional time to finish their journeys.”