There are long delays due to an earlier accident and debris on road on the M1 southbound between J15 A45 / A508 (Northampton) and Newport Pagnell Services.
Travel time is around 40 minutes.
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