Drivers are reminded that part of the M20 will be closed tonight while National Highways puts out the bollards in preparation for Operation Brock. The motorway will be shut London-bound between Junctions 9 for Ashford and 8 for Maidstone and coastbound between Junctions 7 for Eclipse Park, Maidstone, and Junction 9, from 8pm till 6am tomorrow. This is to allow the contraflow system to be deployed ahead of the Easter weekend. Operation Brock is part of a series of measures to improve Kent’s resilience in the event of disruption to ferry services across the English Channel. Fully signed diversio…