What Brexit chaos? Britain says EU trade is 'running smoothly' as trucks cross Channel on UK's first day outside single market - as first Irish Sea checks take place under new deal Lord Llewellyn visited the port at Calais and the Eurotunnel terminal 'to see the situation on the ground' The breakaway finally came nearly four-and-a-half years after Britons voted in a referendum to leave the EU Lorries have began arriving from EU into Britain and in the other direction with no delays as trade deal kicks in In New Year message, Mr Johnson called the departure 'an amazing moment', adding 'freedom is in our hands'