Cannabis DUI Laws in Louisiana
Prosecutors must prove the driver was actually impaired by cannabis. There is no specific THC blood level threshold.
DUI Law Details
10 days to 6 months in jail, fines $300-$1,000, 90-day license suspension
90-day to 1-year license suspension
Overview
Louisiana follows an effect-based approach to cannabis DUI enforcement. There is no per se THC limit, and prosecutors must demonstrate that a driver was actually impaired by cannabis. Louisiana has a medical cannabis program and has decriminalized small amounts of marijuana.
The state relies on field sobriety tests, DRE evaluations, and chemical testing. Louisiana's DUI penalties have been reformed in recent years but remain significant, especially for repeat offenders.
Key Facts
- •No per se THC limit — effect-based standard
- •Medical cannabis is legal; small amounts decriminalized
- •First offense carries 10 days to 6 months in jail
- •90-day to 1-year license suspension for test refusal
- •DRE evaluations are commonly used
Frequently Asked Questions
Is there a legal THC driving limit in Louisiana?+
What are the penalties for a first cannabis DUI in Louisiana?+
Does Louisiana's decriminalization affect DUI charges?+
Related State DUI Laws
Explore cannabis DUI laws in other states with similar regulations or neighboring jurisdictions.
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Disclaimer: The information on this page is provided for educational and informational purposes only and does not constitute legal advice. Cannabis remains illegal under US federal law. Louisiana DUI laws and regulations are subject to change and may vary by local jurisdiction. THC limits, penalties, and testing methods described here are based on publicly available information and may not reflect the most current regulations. Always verify current laws with official Louisiana state resources and consult with a qualified attorney for legal guidance. Cannabismarketcap does not guarantee the accuracy or completeness of any information presented.