The British secretary of state for exiting the European Union “had not quite understood” the importance of the Dover-Calais shipping route.

He appeared not to know that each year almost £120bn ($155bn)-worth of goods passes through the narrowest waterway between the UK and continental Europe.

We are, and I hadn’t quite understood the full extent of this, but if you look at the UK and if you look at how we trade in goods, we are particularly reliant on the Dover-Calais crossing

Dominic Raab

Almost three million heavy goods vehicles moveim through the Kent port of Dover annually, bringing 17% of Britain’s entire trade in goods, by...