There are long delays on the parkways around the Eye Roundabout in Peterborough following a crash this morning.
A Cambridgeshire police spokesman said there had been no injuries in the incident.
He said: "At 8am police were called to attend a road traffic collision on the A15, Paston involving a Volkswagen Crafter van and a Peugot 406. There are no reported injuries, police have closed a lane of traffic whilst a vehicle is recovered."
Delays are building back on to the A47 and A1139.
Motorists are advised to avoid the area