Going Just 1 MPH Under Speed Limit Could Land You in Jail in Louisiana

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Going Just 1 MPH Under Speed Limit Could Land You in Jail in Louisiana originally appeared on Autoblog.
Louisiana drivers lingering in the left lane now have even less margin for error. A new law that took effect August 1 allows police to ticket anyone driving just 1 mph under the speed limit in the passing lane without a valid reason. First-time offenders face a $150 fine, a second offense within 12 months rises to $250, and a third can bring $350 or up to 30 days in jail. Lawmakers say the aim is to keep traffic flowing and reduce dangerous slowdowns, but critics argue it's an overreach that could criminalize cautious driving.
From Ten Miles Under to Just One
The previous rule only targeted drivers going at least 10 mph under the limit in the left lane. The revised statute tightens that to a single mile per hour, with exceptions for overtaking or turning left. Senator Jay Luneau, who introduced the bill, said the idea came from frustration during his commute between Baton Rouge and Alexandria. The stricter approach mirrors other recent driving crackdowns nationwide, such as one state's controversial new speeding law that threatens offenders with jail time.
A National Patchwork of Speed Policy
Louisiana's change comes amid a broader debate on how states should set and enforce speed laws. While some are clamping down on both fast and slow drivers, others are going the opposite direction. Earlier this year, one state raised its speed limits on certain highways — but paired the move with strict penalties for reckless behavior. These contrasting approaches show the lack of a uniform national standard, leaving drivers to navigate a patchwork of rules as they cross state lines.
No One's Above the Law
Enforcement isn't limited to everyday motorists. In July, Harry Potter star Emma Watson lost her license after accumulating 12 penalty points for speeding in the U.K., highlighting that stricter driving laws — on either side of the Atlantic — can catch even high-profile drivers.Supporters of Louisiana's law argue that by making left-lane discipline a serious matter, they can reduce road rage, prevent accidents, and make highways safer for everyone.
Will It Change Driving Behavior?
The law's supporters believe it will unclog traffic and reduce collisions caused by sudden lane changes or tailgating. Critics warn that it could be used to justify unnecessary stops or escalate minor infractions into costly — even criminal — consequences. Whether it proves effective or becomes another flashpoint in the driver–police relationship remains to be seen. For now, the message from Baton Rouge is clear: the left lane is for passing, not for pacing the limit.
Going Just 1 MPH Under Speed Limit Could Land You in Jail in Louisiana first appeared on Autoblog on Aug 12, 2025
This story was originally reported by Autoblog on Aug 12, 2025, where it first appeared.