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Preparing Roads for Snow

A new wave of cold temperatures and snow flurries have drivers and road crews on full alert.

Crews are rolling out, prepared to deal with temperatures well below freezing.  That's because the salt becomes ineffective when the air temperature drops into the teens.

Those below-20 temperatures are predicted for parts of the mountains and that means slippery conditions in the Tennessee border counties.

Road crews couldn't pre-treat the roads with salt brine since the forecast called for rain last night.  So with colder temperatures ahead, road crews will be using another weapon to battle dangerous ice and hard-packed snow.

Chris Deaton, DOT District Engineer, "when it gets that cold, it's very hard for the salt to work, but we do have pre-wetting systems on our spreaders, this sprays magnesium chloride on the salt and sand solution, which pre-wets the salt, which activates it, and the magnesium chloride helps to melt it also below those temperatures, and it's supposed to work at minus-30 degrees."

We've seen flurries in Asheville throughout the morning so crews are now on the road to begin checking overpasses and bridges that could become slick.

Highway crews urge drivers to use caution because flurries can make the road wet and can freeze unexpectedly after the temperatures drop into the teens.


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