Nashua, NH Environmental Rules: Vehicle Idling Restrictions (2026)
Key Facts
- Weight threshold
- Over 18,000 lbs gross vehicle weight
- Idling limit
- 15 minutes maximum
- Restricted hours
- Midnight to 6:00 a.m.
- Fine
- $50 per violation
- Where it applies
- Residential districts, any property
Summary
Nashua prohibits trucks over 18,000 pounds from idling more than 15 minutes between midnight and 6 a.m. in residential districts, whether parked, stopped, attended or unattended.
No vehicle over 18,000 pounds' gross vehicle weight shall remain parked or stopped, whether attended or unattended, on public or private property within any residential district of the City, with its engine or any other auxiliary engine, power source or similar mechanical device operating, for a period in excess of 15 minutes between the hours of 12:00 midnight and 6:00 a.m. daily.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4805762; v29 updated 2026-02-10; through 02-10-2026).
Full Breakdown
Nashua's ordinance targets heavy trucks left running overnight near homes. Any vehicle over 18,000 pounds gross vehicle weight, parked or stopped, attended or unattended, on public or private property, cannot keep its engine or any auxiliary power source running for more than 15 minutes between 12:00 midnight and 6:00 a.m. in any residential district. The restriction applies city-wide during those overnight hours only; it doesn't touch daytime idling or lighter passenger vehicles. Violators face a $50 fine per offense under Nashua Revised Ordinances § 320-79.
Violations & Fines
Violating the 15-minute idling limit for heavy trucks in residential districts carries a $50 fine per offense under § 320-79.
Frequently Asked Questions
Does this apply to my car idling in the driveway?
What hours does the idling limit cover?
Sources & Official References
Other rules in Nashua
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