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First off it's Grit that's thrown on the roads.

Anyway, it's to provide whatever passes over it more friction, so that it will not slip on the ice / snow. This works for most things such as people, cars, bikes etc.

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12y ago

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Why sand is thrown on tracks covered with snow?

it make the track less slippery.


When road are covered with snow and ice you should?

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Sand helps melt snow by absorbing sunlight and transferring the heat to the snow, causing it to melt faster. The dark color of sand absorbs more solar radiation, increasing the temperature of the snow surface and accelerating the melting process. Additionally, sand provides traction for vehicles and pedestrians, making it easier to navigate icy roads and walkways.


Should you travel on the interstate in snow covered roads?

No you shouldn't as there has been too many accidents.


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