I do hope the canary is not the cat’s lunch. It sounds an interesting journey you are making.

As a terribly wicked Tory, I am sceptical about free goods, and, of course, one of the freest goods we have are the roads. I think when we are making a really huge public investment like this, we need to look at all the evidence and anticipate what’s likely to happen in 10 or 20 years. Within 10 years, I confidently predict there will be comprehensive road pricing. We will no longer be able to tax motorists as we always have done through fuel prices, and technology will allow us to do that. We will get much more rational use of the roads once we have road pricing, and I do see an age where, possibly, what is now congested won’t be so congested in the future. So, we do need to think very seriously about these matters.