A collision between a lorry and a car close to the A1M near Peterborough this morning, Friday May 29, has now been cleared.
Police are on the scene of the crash at the roundabout, northbound on the A1M junction 17 slip road.
Motorists are advised to avoid the area.
A spokesman for Cambridgeshire police said the constabulary were called at 8.39am.
There was no indication the crash was serious.