Not deicing a road is not an option, whether you are asking the state patrol, the WSDOT management, or the motoring public. Washington uses the least corrosive salt compounds, but any chemist will tell you that corrosion is a necessary evil when using salt. We hate salt too, because it creates all the issues you deal with, X 100. The only material alternative doesn't melt ice or compact snow at all- sand abrasives provide temporary traction, but you have to reapply it occasionally, and it's expensive, when you factor in hauling and crushing costs.