Michigan Deep Freeze: Calhoun County uses an environmentally mixture to de-ice roads

However, the plow trucks were in operation.

“The roads, you know, remain slick,” said the Director of Emergency Management Durk Dunham with the Calhoun County Sheriff’s Office. “It is not a snow issue as much as it is trying to treat the roads.”

Dunham said typically during the winter, plow trucks use salt to break up the ice on roads and highways. However, when temperatures dip below 12 degrees, salt is useless.

“It’s just not effective in the de-icing of the road,” Dunham said. “It just doesn’t have an effect. The temperatures are too cold for the salt to actually have a reaction.”

So officials have started using a new mixture that contains salt, sand and a de-icer that’s environmentally-friendly, he said. The combination allows for better distribution on the roads.