A woman had to be given oxygen and first aid after a car and a van crashed on the M40 this morning.
There are still long delays between junction 5 for Stokenchurch and junction 4 for Handy Cross following the crash, which happened before 9am.
Three fire crews - two from High Wycombe and one from Thame - were called to provide assistance to police and the ambulance service and helped the injured woman.
There is currently one lane closed on the London-bound carriageway.
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