The proclamation allows vehicles transporting corn, soybeans, hay, straw, silage and stover to be overweight (not exceeding 90,000 pounds gross weight) without a permit for the duration of this proclamation.

This proclamation applies to loads transported on all highways within Iowa (excluding the interstate system) and those which do not exceed a maximum of 90,000 pounds gross weight, do not exceed the maximum axle weight limit determined under the non-primary highway maximum gross weight table in Iowa Code § 321.463 (6) (b), by more than 12.5 percent, do not exceed the legal maximum axle weight limit of 20,000 pounds, and comply with posted limits on roads and bridges.