Been there, done that.
All that you have to know, is, unless you have chains on all wheels,
or studded tires on said same, just stay home.
Snow can be dealt with.
Black Ice is just a way of cleaning the Gene Pool.
I don't care how well trained that you are,
that crap will really cause you big brand new problems...
and it WILL decrease the stock of your motor pool!
If you don't kill a civvie, on your own way out, Mother Nature will win.
Stay home, don't play. This is a Nationally Advertised IED that you can avoid.
Listen, Don't play. 1 day lost pay won't kill you.
Or just ignore the advice.
Your estate can just sell your toys, and hope to cover the insurance lawsuit.