THE HIGHWAYS Agency has issued a fresh warning to motorists about heavy traffic across Oxfordshire this weekend.

It says the combination of several high profile events - attracting more than 200,000 visitors - could cause problems.

The CLA Game Fair, at Blenheim Palace is expecting around 140,000 visitors. Road users on the M40 and A34 should follow event signs.

Truck Festival, at Steventon is expecting up to 5,000 visitors, with signs directing southbound road users to leave the A34 at the A4130 Milton Interchange and northbound road users at A4185 Chilton Interchange.

Art in Action at Waterperry House from 21 to 24 July is expecting up to 25,000 visitors, with road users being directed to follow signs from the M40 at Junction 8a.

And The 21st Silverstone Classic is also being held in Northamptonshire, and is expected to attract 60,000 over the course of three days, with road users from the M40 being directed to leave at Junction 10.

Extra Highways Agency Traffic Officer patrols will be monitoring the network to respond to any incidents and signs will be set to advise drivers of any problems.