Our wonderful council, ever penny wise and pound foolish, decided to dress the local roads with tar* and chippings in the spring, which is now melting and causing all kinds of trouble. Their immediate remedy is to spread granite dust everywhere, creating great clouds of the stuff when driven through, which must be delightful for those who park along those roads.
I fancy it's very abrasive, but it would be interesting to know the potential damage to vehicles. The immediate problem is scratching of windscreens the moment you use your wipers to clear the stuff, and I wonder about brakes and bearings and motorbike chains. My chain's on the way out anyway, but I'm reluctant to change it just yet!
*a particularly low melting-point version, possibly recycled treacle toffee.
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