Traffic is stuck in a 13 mile queue on the M25 between Waltham Abbey and Enfield because of an accident between two lorries, a fuel spillage and recovery work.
Two lanes are closed anticlockwise between Junction 25 and 26 and cars are now stretching one mile beyond Junction 28.
Travel time is estimated at two hours.
More top news
When you're trying to concentrate even the slightest sound can be a distraction.
The court heard how Roland McKoy killed his 22-month-old daughter Jahzara out of 'spite and resentment'.
Richard Deakin, the chief executive of NATS, was being grilled by MPs from the House of Commons Transport Committee.