UPDATE: All lanes have been reopned. 

READ MORE: All lanes reopened on M40

Two lanes are closed on the M40 Northbound due to emergency barrier repairs. 

The repairs are being done after a car collided with the central reservation barrier overnight.

The two lanes are closed from J8A A418 (Oxford Services / Thame / Aylesbury) to J9 A34 (Bicester).

Lanes two and three (of three) are closed.

There is currently slow traffic and delays expected of 50 minutes. 

Traffic is not expected to return to normal until 15:30. 

Lane three is also closed Southbound.

Article was updated at 13:06 on 14/08/2021