Driver confusion and hesitancy can significantly hinder smooth traffic flow. Motorists not comfortable with driving conditions will instinctively stop or slow down. If it doesn't FEEL safe, it does not matter if it has been designed to BE safe. Traffic separators are the result.
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Why ITD uses salt in winter road clearing
ITD has used a salt-and-sand mixture in winter-maintenance efforts since the 1960s. Salt increases the effectiveness of the sanding material by adding a snow- and ice-melting agent to improve traction. Additionally, it keeps stockpiles of sand from freezing solid.
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Notorious Avalanche Alley lives up to its name
So far this winter, 47 slides have found their way onto Idaho 21 in the 12-mile stretch between Grandjean Junction and Banner Summit. The route is closed again, for the fourth time since Nov. 1.
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