Seasonal Weight Restriction Information Please click here to see seasonal weight restrictions, provided by the County Road Administration of Michigan. Frost laws are starting to take effect as of 02/26/2025, please contact the county road commission of your desire for proper haul route maps. Road Commission Contact List Products in Our Everyday Life Products In Your Everyday Life / Michigan's Extractive Industries from Spearfish on Vimeo. Michigan's infrastructure is broken. We need to fix it. Learn Next Steps