Roadworks mean stretch between junctions 10 and 11 will be closed for first time, from 9pm on Friday to 6am on Monday
Drivers have been warned to steer well clear, turn off the satnav and stick to the official diversions as some of the biggest roadworks since the Romans results in part of the M25 motorway fully closed for the first time in its history this weekend.
Epic traffic jams are anticipated, with a five-mile stretch of Britain’s busiest motorway, the London orbital motorway, closed for engineering from 9pm on Friday.
