The posted speed limit isn't always the law of the land when it comes to ever-changing weather conditions in Michigan.

We know snow and ice can slow down Winter traffic, but did you know you can get a ticket for driving the speed limit? Failure to take weather conditions into consideration is a violation of Michigan's Basic Speed Law:

Michigan's Basic Speed Law requires motorists to drive at a "careful and prudent" speed in all driving conditions to be able to stop within the clear distance ahead. It may require driving slower than the posted speed limit.

-MDOT

So, even though you may be driving the posted speed, you could be cited for speeding, a civil infraction carrying a fine of up to $100. Even 4-wheel drive will not get you off if the charge is upgraded to reckless driving- a misdemeanor with fines as high as $500 and possible (though unlikely) jail time.

TL;DR- slow down and drive only as fast as conditions allow.