Pie in The Sky. This won't happen!

[walpurgis]

Tunnels covering motorways? Barmy! It won't happen. It would take years to implement and the cost would be enormous. If internal combustion powered cars are due to be phased out over the next twenty or so years, what's the point anyway? Commercial vehicles will no doubt be under pretty stringent emmissions controls by then too.

https://www.theguardian.com/uk-news/2017/aug/03/roads-could-be-covered-with-polytunnels-to-absorb-pollution

http://www.dailymail.co.uk/sciencetech/article-4756404/Motorways-UK-covered-tunnels.html

[Macca]

They are only talking about short stretches of road in populated areas, not doing whole motorways. Doesn't sound like it is a permanent structure either, more like a tent. Could do with that where I live, surrounded by highway on 3 sides, the air quality is dreadful, especially in summer.

[walpurgis]

They are only talking about short stretches of road in populated areas

In Holland.

[struth]

air quality is excellent here i'd say. quiet too, mostly. if the weather was a little better I guess we would be swamped with incomers

[Macca]

Biggest danger to your health in Holland is all the bloody cyclists.

[JohnJo]

Biggest danger to your health in Holland is all the bloody cyclists.

+1

try walking around Amsterdam when the light fades, lethal!

[Macca]

I know. Bombing along ringing their stupid little bells as though we should all get out of the way for them. I do wonder how many get beaten to death each year.

[hifi_dave]

Similar in Cambridge, though they don't appear to have bells. They bomb around like they have priority even on pedestrianised roads, pavements and wrong way up one way streets. I've lost count of the times I or my Wife have been almost knocked over and the language you get just because you dared to be in their way. Unbelievable.

[Macca]

Even worse in Cambridge because most of them will be poxy students.

In the 'Dam I guess they will mostly be drug dealers or brasses i.e at least they are working for a living.