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BLACKSBURG — Black Ice. It sounds like the name of a heavymetal rock band.
What it really is, however, is an age-old winter phenomenon that’s sent many a driver skidding and sliding down what looked like a dry road.
“What we call black ice is frozen water — either from melted snow, sleet or rain — that freezes up like a sheet and is not visible as ice,” said Glen Hetzel, safety specialist with Virginia Cooperative Extension at Virginia Tech. “The road looks the same as it always does, which is why ' it’s so hard to detect, especially if you’ve been driving for awhile.”
What can a person do to prepare for black ice?
“My advice is to look for signs of ice other than on the roadway,” Mr. Hetzel said. That means looking for ice on windshield wipers and sideh
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