Cold Roadways Could Be More Dangerous Than They Look
MnDOT Officials Warn that Road Salt Doesn't Melt Snow and Ice in Extreme Cold
DULUTH, Minn. – MnDOT officials are saying just because roadways look clear of ice and snow, they may be more dangerous than they appear. When temperatures drop below fifteen degrees, salt stops being effective in melting snow. In colder conditions, MnDOT mostly relies on sand to provide traction on icy roads. They also use potassium acetate on bridges, tunnels, and…


