A1 closed after serious crash between Peterborough and Stamford

The southbound carriageway is now open but the northbound side is closed between junction 17 for Chesterton and the A47 at Wansford.

It is likely to stay closed for several hours say police.

These are the congested roads in Peterborough to avoid today as traffic diverts around A1 closure

All emergency services are on the scene,

There is a detour in operation - Northbound to take the A1139 eastbound, A1260 northbound, A47 westbound to re-join the A1.

Driver seriously injured in crash between lorry and van which closed A1 at Peterborough

Motorists are asked to plan ahead and avoid the area if possible.

UPDATE: The road reopened following collision investigation as of 12.45pm.