Less Windshield Stone Chips This Winter

Posted by: Kenny Chan onDecember 18th, 2007

The City of Calgary is experimenting with a new sanding mixture this winter that may provide some relief for our windshields. The existing road sanding mixture the city uses is a combination of crushed gravel — a maximum of eight millimetres in size — and a small percentage of salt. The new mixture they will be testing this winter will be a finer gravel mixture that should stay on the road better and cause less damage to vehicles.

The reason the city doesn’t simply use salt to melt the ice is because the salt mixture becomes ineffective at temperatures below -5C.

Links: City of Calgary Roads: Snow and Ice Control



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  1. […] great that the City of Calgary is looking at ways to improve our roadway system both for drivers and for pedestrians, but in this case I feel there needs to be a stronger educational campaign […]

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