A CRASH has closed one lane of the A1 northbound between Colsterworth and Great Ponton.
Two cars were involved in the collision, which took place just before the services at Great Ponton this afternoon.
A 48-year-old woman is suffering from minor neck injuries.
There are currently delays of 30 minutes on the road.
It is expected to be fully re-opened by 3.45pm.
More to follow.