Iowa Governor Kim Reynolds signed a proclamation allowing overweight hauling of grain, fertilizer and manure on non-interstate state highways through December 19, 2025. Vehicles can run up to 90,000 pounds gross without a permit, within axle limits.
The temporary easing helps move harvest and fertilizer loads by truck, but it has little direct effect on grain prices.
Not enough comparable past events yet for a historical read.
After 1,054 past logistics events, Corn moved a median -0.1% over 5 sessions (48% higher; middle half -1.5% to +1.5%), and -0.0% over 20.
After 837 past logistics events, Soybeans moved a median +0.4% over 5 sessions (55% higher; middle half -1.5% to +2.0%), and +0.6% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.