A BROKEN down vehicle and oil spill is causing long delays on the M40.

The southbound exit slip road is partially blocked for the A34. 

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There is very slow traffic backed up for miles due to the broken down 'abnormal load' vehicle and oil spill at Junction 9 A34 (Bicester).

It is affecting traffic on the main carriageway approaching the slip road.

Banbury Cake: Traffic on M40 near A34 exit at 8.35am. Picture: Google live traffic mapTraffic on M40 near A34 exit at 8.35am. Picture: Google live traffic map