Drivers are being warned to expect additional queues due to the British Grand Prix at Silverstone.
Seven-time world champion Lewis Hamilton will hope to take advantage of home comforts at Formula One's British Grand Prix this weekend.
The Mercedes trails Red Bull's Max Verstappen by more than 120 points in the drivers' standings heading into Sunday's race.
A record 480,000 fans are expected to attend across the three days.
Motorists are being warned to expect busier roads in the north of the county, around Buckingham and surrounding areas.
Traffic will be diverted off the A43 through Buckingham with delays expected.
You can see the travel information for the British Grand Prix here.
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