There are reports of long traffic queues due to an overturned lorry on the A15 in Scampton in Lincolnshire.
It happened between Heath Lane and A1500 Horncastle Lane. It is affecting travel in both directions.
The A15 at Scampton in Lincolnshire is closed in both directions due to an accident involving two lorries.
It happened at Heath Lane near the Royal Aire Force base.
Some of the RAF Scampton based Red Arrows will be performing a flypast in London today. The Queen will view the display from the balcony of Buckingham Palace.
The Red Arrows are holding trials for new recruits following the tragedies which have recently affected the squad. Flight Lieutenant Jon Egging died when his plane crashed during a display in Bournemouth.
Sean Cunningham was killed when he was ejected from his seat in his Hawk Jet at RAF Scampton. The Lincolnshire-based squadron are currently testing out new pilots in Cyprus.
It's been announced that the Red Arrows will perform a flypast to celebrate the opening ceremony of the Olympic games.
The display team, based at RAF Scampton in Lincolnshire, will fly over Belfast, Cardiff, Edinburgh and London, just ahead of the official opening.