Brexit: No deal will mean traffic congestion on M20, A20 and A2 roads around Dover and Folkestone for months at a time | Updated: 07:24, 14 December 2020 Kent could be gripped by traffic congestion and disruption around the channel ports for months at a time if there is no Brexit deal agreed, according to a Labour county councillor. Thanet county councillor Karen Constantine said the implementation of the Dover Tap this week, which saw queues of lorries waiting hours to get to the port, is a sign of what's to come. She said: âLet's hope that it is a one-off situation but I fear we ar...