https://www.bbc.co.uk/news/62294901
Port of Dover chief executive Doug Bannister said there had been inadequate staffing from French border police.
And both of the Conservative leadership candidates have put the blame on the French authorities.
Rishi Sunak said: "They need to stop blaming Brexit and start getting the staff required to match demand"
Liz Truss said: "The French authorities have not put enough people on the border"
Without Brexit maybe there would be less passport control but as long as there are so many lorries wanting to use the ferries there will be chaos at peak times as has happened pre Brexit. The only simple answer would be more ferries and more trains which I assume is not at all feasible.