No through traffic allowed due to F1 Grand Prix at Silverstone on A43 in both directions between A422 (Brackley) and A5 (Towcester).
Only race spectators will be able to use this section of the A43. A one way system will be in place for traffic heading to Silverstone in the morning and away from Silverstone in the afternoon.
Diversion - Between M1 J15 using A508 and A422 via Old Stratford and A421 between Buckingham and the A43 just South of Brackley.
More top news
Experts at the University of Leicester have suggested that the new smartphone craze could help challenge rising obesity levels.
A public fundraising campaign page has been launched to help the parents of Cheltenham Bournside School pupil, Sophie Herbert.
The intrepid pair will spend three years driving around the world to raise money for research into Huntington's Disease.