Services on First Capital Connect have been suspended between Hertford North and Stevenage due to signalling problem at Watton-at-Stone. Taxis have been arranged to transport passengers.
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