Traffic information company Inrix said the accident led to delays on the M11, the A12 and the A406 North Circular.
The worst of the hold-ups were on the M11 and drivers were being advised to leave an hour extra for their journeys.
More top news
Fallen trees, damaged power lines and emergency speed limits were today causing chaos for rail passengers.
They will be supported by artists including Zara Larsson, G-Eazy, Wiley, Sean Paul, WizKid and an exclusive set from Bryson Tiller.
Cast your mind back to your last job interview. What was the one question that really made you sweat?