Harvest season in Minnesota has arrived, and with it comes a documented spike in crash risk involving farm equipment on the state's rural roads, according to a KIMT report on the seasonal hazard.

The warning lands as combines, grain carts and tractors move between fields through the peak weeks of the Minnesota harvest. The machinery is legal on public roads but travels far below posted speed limits, creating the core safety problem: a car travelling at highway speed can close on a combine moving at 20-25 mph with very little warning distance.

Why does harvest season raise crash risk?

The risk is structural, not incidental. Harvest forces large, slow machines onto the same two-lane rural roads that carry regular commuter and freight traffic. Several factors compound the hazard:

• Wide equipment can straddle or cross the centre line on narrow township roads
• Shorter autumn daylight hours put more equipment movement into low-light periods
• Dust, mud and glare reduce visibility for both farmers and motorists
• Impatient overtaking on hills, curves and no-passing zones accounts for many of the most serious collisions

Local safety messaging tied to the report urges motorists to slow down immediately when they see a slow-moving vehicle emblem — the orange triangle mounted on the rear of farm equipment — and to wait for a clear, legal passing zone.

What should farmers and drivers watch?

For operators, the practical steps are the ones safety officials repeat every season: use escort vehicles where available, keep hazard lights and reflectors clean and functional, and avoid moving equipment at dawn, dusk or night when the route allows. For motorists, the guidance is simpler still: assume the machine ahead is travelling under 25 mph and that its operator may not see a car closing from behind.

The risk window runs through the duration of the state's corn and soybean harvest, typically stretching into late autumn, and it will ease only once field work wraps and equipment returns to storage. Watch for continued local enforcement and public-safety campaigns on rural roads through the remaining harvest weeks.