A replacement bus service is running on Greater Anglia between Felixstowe and Ipswich due to emergency engineering works.
Journey times will be extended by up to 20 minutes, with disruption expected to last until around 8am.
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