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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It's that time of year again... Shrove Tuesday is nearly here and many of us are getting ready to cook up a batch of pancakes.
Monday night's weather for the east of the region
Monday night's weather for the west of the region