The M20 will be closed on the coastbound between junctions 7 and 9 and London bound between junctions 9 and 8 from 8pm on Saturday 19 August to remove the contraflow. Both carriageways will re-open by 6am on (Sunday 20 August).
“While the M20 is closed to remove the Operation Brock contraflow, a clearly signed diversion route will be in place on the A20 to help road users reach their destination,” says National Highways.
The moveable barrier will remain in place in lane two and three of the London bound carriageway between junction 9 and halfway between junction 8, to allow National Highways to apply the white lining to the align the carriageways to allow the Quick Moveable Barrier (QMB) to be placed in its final position in the central reserve.
Whilst the barrier is in this position the 50mph London bound speed restriction will remain in place whilst these works are being completed. The Coast bound will revert back to its original speed limit of 70mph with all three lanes running with hard shoulder.
National Highways says it is investing £20m to move the concrete barrier to its permanent position in the central reservation, which will allow quicker deployment of the Brock contraflow at times of cross channel disruption.
The main barrier work is expected to be completed by mid-September.
Commenting on the decision to deactivate the controflow, Christine Allen, National Highways Regional Director, said:
“Operation Brock has proved a crucial contingency measure which helps to keep Kent moving in times of cross channel disruption, and we are grateful for people’s patience while the contraflow system has been in place.”
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