Frost Heave / Rough Road Warning

Frost Heave Warning; Frost Heaves are very widespread in Lake and Cook County. We've experienced and have been advised by our readers to watch for frost heaves on Devil Track Road / County Road 8, Gunflint Trail / County Road 12, Arrowhead Trail / County Road 16 and Mineral Center Road / County Road 17, especially the Old Hwy 61 section is very rough in Cook County and County Roads 2 & 3 in Lake County.

You can sit and watch people drive too fast over a set of 'UNMARKED - BUT KNOWN ABOUT' heaves on the Devil Track Road / County Road 8 in Cook County, north of Grand Marais. Slow down going over these, especially if you're hauling a trailer full of sleds. People have suffered vehicle and trailer damage. Heave are widespread.

What is a Frost Heave? Frost heaves are the large bumps or sunken areas on roadways, many caused by impropery filling excavations for culverts or tunnels under roadways. Driving over these can make you go airborne or/and cause serious vehicle or trailer damage.
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