The A1 Great North Road at Stibbington, near Peterborough, in Cambridgeshire is blocked, southbound, because of a multi-vehicle crash.
At least two lorries and two cars are believed to be involved.
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