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Idling Law No. MO No statewide limit

Missouri Truck Idling Law

Missouri has no statewide idling time limit. The one idling-related law is a 550-pound weight allowance for idle-reduction technology (Mo. Rev. Stat. 304.180).

Statewide lawNo
LimitNo statewide limit
FineNone statewide
StatuteWeight allowance only (Mo. Rev. Stat. 304.180)
01 Exemptions

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.

02 APUs

APUs and idle-reduction gear

Idle-reduction tech earns up to a 550-pound weight allowance.

03 Local rules

City and county ordinances

No notable city or county idling ordinance was found for Missouri in the EPA, DOE, or ATRI references. Watch local noise and parking rules.

Missouri Idling Law FAQ

Is there a truck idling law in Missouri?
Missouri has no statewide truck idling limit. No notable local ordinance was found in the federal references, but local noise and parking rules can still apply.
How long can a truck idle in Missouri?
No statewide limit. See Weight allowance only (Mo. Rev. Stat. 304.180).
What is the fine for idling in Missouri?
None statewide.
Does an APU count as idling in Missouri?
Idle-reduction tech earns up to a 550-pound weight allowance.

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=MO.

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