Vehicle noise in unincorporated Travis County is enforced under TX Transportation Code 547.604 requiring functioning mufflers and prohibiting excessive/unusual noise. No county decibel ordinance. DPS and Sheriff enforce on county roads.
TX Transportation Code 547.604 prohibits modified exhausts producing excessive or unusual noise and bypassing factory muffler systems. Violations are traffic misdemeanors. Loud motorcycle enforcement on FM 2222, RR 620, and Loop 360 is handled by Travis County Sheriff traffic unit and DPS. Contact Travis County at (512) 854-4260 for enforcement.
Contact your local code enforcement office for specific penalty information.
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