Woman in critical condition after road accident (From Gazette)

Odd you say that, Jollyfishfrier. Ten years ago Sweden made it policy to remove trees a set distance from the road and it drastically reduced casualties there.

ok, let's remove trees a set distance from the road, but then they must be replaced by planting elsewhere in equal numbers.
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We'll also leave the roads unprotected in hot weather and very bad snowfall etc. It's not pleasant chugging along on a very hot day without any green cover in sight.
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Probably the answer lies between, let's have lots less cars.

Motorways are generally tree-free but don't have much problem with snow - and remember, snow isn't an all-year phenomenon. Railways also cut back the tree line, to alleviate the problem of leaves on the line, which can cause serious issues. We know railways are affected by snow, but this lasts days, not all year round. Why use a sledgehammer to crack a nut - if it snows, don't take the car! As for epileptics, it's not just lack of trees that cause problems, and you can't use an argument that keeping roadside trees will benefit such people, unless you're also prepared to argue that moving trees will benefit hay fever sufferers! Extreme weather will always cause problems, trees or not and personally I prefer to see a long distance ahead, without trees obscuring the road ahead - a reason, I suspect, why motorways are tree-free!