No progress on clearing roads
AS a schoolboy in the forties and fifties the only advance we seem to have made in combating hold ups due to snow on the roads is in purpose made spreading vehicles instead of men in open lorries with spades.
I believe I am correct in that grit is now no longer added to the mixture.
There also seems to be a chicken and egg situation where the first vehicles on the roads including buses with normal road tyres and transmissions are expected to stir the salt and snow into a mixture which thaws.
A fundamental problem from my long ago schoolboy science lessons and watching making home made ice cream on cookery lessons on television is that a mixture of salt and ice drops the temperature to well below freezing point which seems to be a serious flaw in the intentions of the process. One possible solution, no pun intended might be on main bus routes and key hills for four wheel drive or even tracked vehicles to spray a brine solution of Salt in water with added Grit onto the snow instantly producing the desired vehicle /salt mixing.
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On the very important hills perhaps one of the machines that were used to burn off old road surfaces might be modified and used.
Surely with the improvements in technology and science of the last 100 years we can improve on the methods that my grand father would recognise.