Iowa Truck Idling Law
Iowa has no statewide idling time limit. The only idling-related law is a 550-pound weight allowance for APUs and idle-reduction technology (Iowa Code 321.463).
When you can keep idling
This state has no statewide idling limit, so there are no statutory exemptions to list. Local ordinances, where they exist, carry their own.
APUs and idle-reduction gear
APUs and idle-reduction tech earn up to a 550-pound weight allowance.
City and county ordinances
No notable city or county idling ordinance was found for Iowa in the EPA, DOE, or ATRI references. Watch local noise and parking rules.
Iowa Idling Law FAQ
Is there a truck idling law in Iowa?
How long can a truck idle in Iowa?
What is the fine for idling in Iowa?
Does an APU count as idling in Iowa?
This page is reference information for planning, not legal advice. Idling rules change and many are local. Confirm the current rule with the state environmental or transportation agency before you rely on it. Source: https://afdc.energy.gov/fuels/laws/IR?state=IA.
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