The M20 eastbound is currently closed between Junctions 8 and 9 to assist Kent Police in managing freight traffic approaching the Channel Tunnel.
The Highways Agency advise that traffic going on the M20 towards Dover should exit at Junction 7 and join the A249 northbound.
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The capital's theatres also generate more searches than those in any other city, according to research by Google.
Union officials are expected to meet next week to plan further stoppages if talks fail to resolve the dispute.
Natalie Sharp and Christine Bicknell appeared in court over an alleged incident at a Lidl superstore in Wallington, south London.