At the last place I worked, Trimac, they told us, "You are the captain of the ship, you make the call if the roads and weather are bad, don't go."
A blatant attempt to avoid legal culpability in the event of a crash. So not long ago a guy I know took off, found out through the grapevine and the 511 road conditions app on his phone that the roads in Wyoming were crap so he turned around and came back. Where he immediately caught hell for coming back (they had also been told it would be the end of their job if they slid off the road and had to be towed out by a wrecker).
Damned if you do, damned if you don't.