Louisiana Speed Limit Laws | Laws & Restrictions

Betti Holt

Betti Holt

You need to understand how Louisiana’s strict enforcement of absolute speed limits affects your driving. The state sets clear caps—70 mph on interstates, 65 mph on multi-lane divided highways, and usually 55 mph elsewhere—where exceeding limits triggers automatic violations. Fines start at $115 and escalate sharply, especially in school zones where penalties increase by half. Recent laws also target slow driving in the left lane, with significant fines. This legal landscape demands careful attention to avoid costly consequences.

Louisiana Speed Limit Laws

Key Takeaways

  • Louisiana enforces absolute speed limits with fines starting at $115 for 1-9 mph over and penalties increasing with speed; 25+ mph over can be reckless driving.
  • The maximum speed limit is 70 mph on interstates, 65 mph on multi-lane divided highways, and generally 55 mph on other roads.
  • Speeding fines in school zones are 50% higher, and speed camera enforcement is allowed only in school zones and some red-light intersections.
  • Driving too slowly to impede traffic, especially in the left lane, results in fines starting at $150, aiming to improve traffic flow.
  • New laws ban handheld phone use while driving starting August 1, 2025, with warnings issued immediately and fines enforced from 2026.

Overview of Louisiana Speed Limits

Although speed limits vary by road type, Louisiana enforces absolute speed limits with no allowances for minor exceedances, meaning any speed over the limit can result in a fine.

On interstate highways, the maximum speed limit is typically 70 mph, while multi-lane divided highways have a 65 mph cap. Other roads generally have a 55 mph speed limit.

Interstate highways in Louisiana generally have a 70 mph speed limit, multi-lane divided highways cap at 65 mph, and other roads are typically limited to 55 mph.

Speed limits in school zones are especially strict, with fines increasing by 50% for violations.

Louisiana’s zero tolerance policy guarantees that any speeding offense, no matter how slight, can lead to penalties, emphasizing strict adherence to speed regulations.

Absolute Speed Limit Enforcement

Because Louisiana enforces an absolute speed limit law, any speed over the posted limit constitutes a violation without exception, leaving no room for a legal buffer.

This means that even driving 1 mph above the posted limit can result in a speeding ticket. The law sets maximum speed limits: typically 70 mph on interstates, 65 mph on multi-lane divided highways, and 55 mph on other roads.

You face fines starting at $115 for 1-9 mph over, escalating with higher speeds. Exceeding the limit by 25 mph or more is considered reckless driving, potentially leading to severe penalties and arrest.

Officers must enforce these absolute limits strictly.

Minimum Speed and Slow Driving Regulations

Speed limits in Louisiana also require you to avoid driving so slowly that you impede the normal and reasonable flow of traffic.

Under state law, driving below a reasonable minimum speed that disrupts traffic can lead police officers to issue citations, sometimes involving a minimum fine. You must maintain a speed consistent with surrounding vehicles to guarantee safe traffic flow.

Slow driving that endangers others or causes congestion is considered a violation, subject to penalties. Louisiana law specifically prohibits driving so slowly as to obstruct traffic, reinforcing the importance of maintaining safe and efficient speeds on highways.

Fines and Penalties for Speeding

When you exceed Louisiana’s speed limits, fines start at $115 for driving 1 to 9 mph over and increase progressively with the speed range to $215 for 10 to 14 mph and $240 for 15 to 20 mph over the limit.

Additionally, fines increase by 50% in school zones due to increased safety concerns.

Driving 25 mph or more above the speed limit is classified as reckless driving, carrying significant fines and potential jail time.

Accumulating three speeding tickets within 12 months may lead to license suspension, underlining the seriousness of speeding violations in Louisiana.

Reckless Driving and Reckless Operation Laws

When you drive 25 mph or more over the speed limit in Louisiana, it can be classified as reckless driving, which carries serious penalties including fines and possible jail time.

A first reckless operation offense can result in at least a $200 fine and up to 90 days in jail, with harsher consequences for repeat offenses.

Accumulating multiple speeding tickets within a year may also lead to license suspension, reflecting the state’s strict enforcement of reckless driving laws.

Reckless Driving Penalties

Reckless driving in Louisiana carries severe legal consequences designed to deter dangerous behavior on the roads.

You face strict reckless driving penalties if you drive 25 mph or more over the speed limit. These include:

  1. Minimum $200 fine and up to 90 days jail for a first offense
  2. Increased fines and longer jail time for repeat offenses
  3. Suspended driver’s license if you accumulate three speeding tickets within 12 months
  4. Citations for any dangerous driving behavior, not just speeding

Such penalties underscore Louisiana’s commitment to roadway safety through rigorous enforcement.

Reckless Operation Consequences

Although Louisiana law broadly defines reckless operation to include various dangerous behaviors beyond speeding, its consequences focus on deterring criminally negligent conduct behind the wheel. When you drive 25 mph or more over the speed limit, you face reckless driving charges. First offenses carry fines of at least $200 and up to 90 days in jail. Repeat offenses mean higher fines, longer jail time, and increased law enforcement scrutiny. You may also need to appear in court if driving over 20 mph above the limit, risking license suspension alongside other violations.

Offense LevelFine RangeJail Time
First OffenseMinimum $200+Up to 90 days
Repeat OffenseIncreased finesLonger jail time
Multiple OffensesHarsher penaltiesPossible license suspension

Three Strikes Rule and License Suspension

Accumulating three speeding tickets within a 12-month period in Louisiana triggers the state’s three strikes rule, resulting in suspension of your driver’s license.

This rule enforces strict consequences for repeated speeding violations. You must clear all fines and pay a $60 reinstatement fee before regaining your driving privileges.

Understanding the three strikes rule underscores the need to maintain a clean driving record to avoid legal complications and disruptions to your commute.

Visualize the consequences:

  1. Receive three speeding tickets in 12 months
  2. License suspension under the three strikes rule
  3. Pay all fines plus $60 reinstatement fee
  4. Regain driving privileges only after full compliance

Problem Driver Pointer System Impact

The Problem Driver Pointer System (PDPS) plays a significant role in how Louisiana manages driving privileges by tracking sanctions like suspensions and revocations across all states.

If you accumulate speeding violations or other driving sanctions outside Louisiana, these will appear in your Louisiana driving record through the PDPS.

This national monitoring system means any out-of-state license suspensions or points can affect your ability to apply for or maintain your Louisiana driver’s license.

You must maintain a clean driving record nationwide, as infractions in other states directly impact your driving privileges in Louisiana.

New Left Lane Slow Driving Law and Increased Fines

When driving on multilane highways in Louisiana, you must use the left lane only for passing or preparing for a left turn, while slower driving below the speed limit requires staying in the right lane.

The new law targeting left lane slow driving takes effect July 30, 2025, increasing first offense fines to $150 and subsequent fines to $250 and $350 within a year.

Starting July 30, 2025, Louisiana fines for slow driving in the left lane increase from $150 for a first offense to $250 and $350 for repeat offenses within a year.

This law aims to reduce road rage and improve traffic flow by penalizing slow drivers who impede traffic in the left lane, leading to more traffic stops for enforcement.

Visualize these points:

  1. Left lane reserved for passing/left turns only
  2. Slow drivers must keep right
  3. First offense fine $150; repeat offenses escalate
  4. Law passed with strong legislative support to bolster safety and efficiency.

School Zone Speeding and Special Enforcement

School zones demand heightened attention from drivers due to the presence of children and increased pedestrian activity.

In Louisiana, school zone speed limits are typically set at 20 mph during school hours to protect students. Violating these limits can result in fines increased by 50%, emphasizing strict enforcement.

Officers closely monitor speeds in school zones, especially during arrival and dismissal times. Exceeding the limit by 25 mph or more may lead to reckless driving charges.

School zones are clearly marked, and compliance is mandatory to guarantee safety and avoid significant penalties.

Statewide Ban on Speed Cameras Outside School Zones

Louisiana prohibits the use of speed cameras outside of school zones and red-light intersections statewide, allowing automated speed enforcement only within designated school zones and certain exceptions like Opelousas.

The law focuses enforcement where it can protect children the most, increasing fines by 50% in those zones. This ban reflects Louisiana’s preference for traditional enforcement methods elsewhere and supports its zero tolerance approach to speeding.

You should be aware:

  1. Speed cameras operate only during school hours in school zones
  2. Increased fines apply in these zones for added safety
  3. No speed camera enforcement is allowed outside school zones
  4. Opelousas is exempted and may continue limited use

This framework emphasizes safety and adherence to posted limits across Louisiana.

Frequently Asked Questions

How Much Over the Speed Limit Can You Go in Louisiana?

You can’t legally exceed the posted speed limit in Louisiana at all—any amount over is speeding and subject to fines. Speeding 25 mph or more over leads to license removal, and 35 mph or more can get you arrested under speeding penalties. You must strictly obey posted limits to avoid these consequences.

What Is the New Speeding Law in Louisiana?

You must stay out of the left lane unless you’re passing or turning left; driving slower than the speed limit there now triggers increased speeding penalties: $150 for a first offense, $250 for a second, $350 and possible jail for a third within a year.

What Is the Fastest Speed Limit in Louisiana?

The fastest speed limit in Louisiana is 75 mph, specifically on about 154 miles of Interstate 49 across several parishes. Speeding consequences are strict, with absolute speed limits allowing fines for any violation above posted limits.

Where in Louisiana Is the Speed Limit 75?

Where highway zones stretch across northern and western Louisiana, the speed limit reaches 75 mph—like a river carving its fastest path along Interstate 49 through Saint Landry, Avoyelles, Rapides, Natchitoches, DeSoto, and Caddo parishes. This speed also applies on segments of Interstate 20 near Shreveport and parts of rural I-49, designated after safety studies approved by the state’s Department of Transportation.

Conclusion

You must respect Louisiana’s absolute speed limits on all roads — exceeding the posted speed is like lighting a fuse for fines and penalties, starting at $115 and escalating rapidly, especially in school zones where fines jump by 50%. The new strict laws also crack down on slow drivers blocking the left lane, carrying fines up to $350 and possible jail time. Staying within the limits isn’t just law — it’s the key to safety on Louisiana roads.

Betti Holt
About the author
Betti Holt
Betti holt, the customer service manager at CarsCounsel, has a decade of experience in client relations and service management. Betti ensures that customers are informed about their vehicle’s status and that their service needs are promptly met.

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