Drivers planning to use the M1 and A43 in the East Midlands are being warned to allow extra time as the MotoGP gets underway at Silverstone today.
The Highways Agency are warning that roads on the way to the race circuit will be busy throughout the weekend.
More than 55,000 people are expected on Sunday, the final day of the event.
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This evening will be fine and dry with some sunshine before dusk.
Rather cloudy at first but some clear spells developing overnight.