Durham County, NC Noise Ordinances: Vehicle Noise (2026)
Key Facts
- Prohibited
- Grating, grinding, rattling vehicle noise
- Exhaust
- Effective muffler required
- Horns
- Only as danger signal when stopped
- Muffled exemption
- 7 a.m.–9 p.m., proper condition
- Authority
- Durham Code Sec. 26-23(b)(4),(6)
Summary
Durham prohibits operating any vehicle so out of repair, loaded, or driven as to create loud grating, grinding, or rattling noise, and bans discharging engine exhaust except through an effective muffler. Unnecessary horn-honking while stopped is also prohibited.
The use of any automobile, motorcycle or other vehicle so out of repair, so loaded or in such manner as to create loud or unnecessary grating, grinding, rattling or other noise.
Full Breakdown
Sec. 26-23(b)(4) makes it an unreasonably loud and disturbing noise to use any automobile, motorcycle, or other vehicle 'so out of repair, so loaded or in such manner as to create loud or unnecessary grating, grinding, rattling or other noise.' Sec. 26-23(b)(6) bars discharging engine or motor-vehicle exhaust into the open air except through a muffler that effectively prevents loud or explosive noise. Sec. 26-23(b)(1) prohibits sounding a horn on a stopped vehicle except as a danger signal. Properly muffled vehicles operated 7 a.m.–9 p.m. under normal conditions are exempt (Sec. 26-23(e)(5)).
Violations & Fines
Loud, defective-exhaust, or unnecessary-horn vehicle noise is a Class 3 misdemeanor punishable by up to $50 (Sec. 1-9); NC state muffler law (NCGS 20-128) may also apply.
Frequently Asked Questions
Are loud exhausts illegal in Durham?
Can I honk my horn while parked in Durham?
Sources & Official References
Other rules in Durham County
Compare Durham County to another location·View the North Carolina noise ordinances overview
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