A CAR has overturned on the M40 causing traffic delays this afternoon.

The vehicle was involved in a collision with another car on the northbound route just after Junction 9 to Bicester, on the A43 and A41.

Traffic is queueing for about three miles on the route near the roundabout.

Two lanes were closed but have now been reopened.

Thames Valley Police confirmed they were called at 3.20pm to an incident on the route.

South Central Ambulance Service said a woman was treated for injuries but these were not believed to be life threatening.