A map of Michigan.
The new measures are expected to reduce salt distribution by up to 40%, reduce the frequency of salt runs, save on truck maintenance, improve the safety conditions of the roads, and save around $100,000 annually, which is probably worth the scorn of impatient motorists. No doubt there will be at least one driver this year who is rushing to get home for dinner, angry at the salt trucks for slowing him down. There are a few levels of irony here that I won't go into.
It will probably take a year or two to adequately analyze the results. Hopefully, if it all works well, other snowy regions will follow suit.