Stop in for a cup of coffee

Yep, sodium chloride works to about 20*F and calcium chloride works to around 5*F. Both will work lower than that, but the amount needed increases dramatically. Below 5* traction aids like sand and cinders are the most effective to help with traction.

Ice sucks.
Speaking of cinders. My grandfather has been burning reclaimed lumber from a couple buildings we tore down last year in his outdoor store. My brother came and got a truck load of the ashes to put on his driveway Tuesday...ignoring what my grandfather told him, it’s full of nails, barn nails. Sure enough, my sister in law said he was out there all day Wednesday with a magnet trying to pick up after getting a couple nails in his tires.