Remember, tractors travel about 30 KPH and if you are driving a vehicle doing 80, 90 or 100 plus KPH coming over the hill or around the bend, you have very little reaction time to prevent a tragedy.
Make sure you have the SMV clearly displayed, and have your lighting and turn signals in place and working. And when possible, pull to the side of the road to let that string of cars behind you pass; impatient drivers cause accidents.
Urban drivers, if you are driving a vehicle on a country road, slow down and pay attention. Farmers and their slow moving equipment have every legal right to share that highway with you and they need to do that this time of year to get those crops planted.
Picture from @dairyguy2 on Twitter: