Arkansas Engine & Jake Brake Rules

How Arkansas handles engine braking

Arkansas has no statewide engine-brake ban. The legal hook is the muffler statute (Ark. Code 27-37-601): a factory-spec muffler in good working order, no cutout or bypass, no excessive or unusual noise. Bans are local. Conway makes loud engine-compression braking a misdemeanor with a fine up to $500 and posts signs, and Springdale calls the noise a nuisance. Watch Ozark and Ouachita foothill towns. Keep the engine brake on for grades with no sign.

What to watch for

• Ban scope: Local / posted
• Where posted & enforced: "NO ENGINE BRAKE" signs show up in towns by ordinance. Conway makes engine-compression braking that creates loud noise a misdemeanor and posts signs on US and state highways entering the city; Springdale treats engine-brake noise as a nuisance; other towns run noise ordinances. Expect signs on grades and truck routes through Ozark and Ouachita foothill towns and at residential edges. Enforcement is local.
• Muffler / noise law: Yes, the real legal hook
• Fine: Local citation. Conway sets a fine up to $500 as a misdemeanor, per offense (Ord. O-15-81). Other towns run roughly $100 to $500. A state muffler/noise violation is a separate offense.

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