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JPodmore's avatar

"His argument is that road projects just create more traffic through the principle of induced demand. This is the concept that when a vehicle journey becomes easier and faster it simply encourages more people to drive and the old level of congestion returns."

The problem with this idea is that you could also use it to justify demolishing the existing tunnels. All the traffic that goes through it is just induced demand after all.

More seriously, cars and roads have negative externalities - if you build and build and build, the negatives start to outweigh the positives (like allowing people to travel). Shouting "induced demand!" whenever anyone tries to build a road doesn't tell you if you're anywhere near the point at which that happens. Given how hard it is to build infrastructure in the UK, how much the population has grown, and that there are notoriously few crossings in East London, it's fairly likely that the positives of Silvertown outweigh the negatives.

That said, I do sympathise with people who live nearby

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Barry Wilkes's avatar

‘Caroline Russell, the leader of the Greens in the London Assembly, called it a “project that nobody in London has shown any real enthusiasm for”. ‘

I know plenty of people who live in London who are enthusiastic about the new tunnel. It’s needed.

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