There's still major disruption on Greater Anglia trains between Norwich and Liverpool Street, and between Bury St Edmunds and Ipswich due to overhead line problems at Needham Market.
All lines are blocked at Needham Market so replacement buses are running between Ipswich and Stowmarket.
Tickets being accepted on East Midlands Trains and First Capital Connect services.
Disruption is expected until at least five o'clock tonight.
Abellio, who run the Greater Anglia rail line, has been named Train Operator of the Year at the annual national Rail Business Awards.
Greater Anglia train operator Abellio says it's made real steps in customer service and punctuality in its first year in charge.
Greater Anglia have apologised for the delays that have disrupted services today