Motorists faced severe delays earlier when a lorry caught fire in Oxfordshire.
One lane was closed on the M40 between Banbury and Brackley just before the morning's rush hour.
Tailbacks stretched to up to eight miles.
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The owner lost his appeal.
Two women have died in a crash involving a car and police vehicle in Calcot. It happened on the A4 Bath Road just before 4pm on Tuesday.
Trains are expected to be disrupted into this afternoon.