For many Ohio drivers, knowing the rules of the road pertains to things like wearing your seat belt, staying below the speed limit or using a turn signal. But there are many rules out there that only apply if you are driving a big rig with a heavy load, as many farmers do. Some of the road rules that were created for those situations literally change with the weather, including the Frost Law. That’s our focus on this Legal with Leah. Leah Curtis is Policy Counsel for Ohio Farm Bureau.