Louisiana DUI Laws & Penalties

    Louisiana enforces strict DUI laws with a 0.08% BAC limit, mandatory jail for repeat offenses, and ignition interlock devices. First-time offenders face license suspension, fines, and DUI school, but defenses like faulty tests can lead to dismissal.

    BAC Limit: 0.08
    State: LA

    DUI quick facts for Louisiana

    Adult BAC limit
    0.08
    DMV / ALR hearing window
    15 days
    First-offense fine
    $300–$1,000
    Possible jail (1st offense)
    Up to 6 months
    IID (1st offense)
    Case by case
    SR-22
    3 years

    Overview

    ## Louisiana DUI/DWI Overview Louisiana's DUI laws are among the toughest in the South, emphasizing deterrence through jail time, fines, and long-term license restrictions. With a per-se BAC limit of 0.08%, enforcement targets highways, festivals like Mardi Gras, and rural roads where crashes are deadlier. In 2025, Louisiana recorded over 10,000 DUI arrests (LA Office of Motor Vehicles data), reflecting aggressive patrols by State Police and parish sheriffs. ### How DUI is Defined in Louisiana Under **LA RS 14:98**, operating a vehicle while intoxicated means having a BAC of 0.08% or more, or being impaired by alcohol/drugs to the point of unsafe driving. 'Impaired' is subjective, proven via field sobriety tests (FSTs) or drug recognition experts (DREs). Unique to LA: 'Vertical gaze nystagmus' in FSTs is heavily weighted, and child endangerment (under 12 in vehicle) elevates charges. - **Per-se limits**: 0.08% BAC = automatic violation, no impairment proof needed. - **Zero tolerance for under 21**: 0.02% BAC triggers juvenile penalties (LA RS 14:98.4). - **Drug DUI**: Any detectable controlled substance (LA RS 14:98(A)(1)(b)). ### Enforcement & Arrest Trends LA leads in DUI fatalities per capita (NHTSA 2025), prompting 'zero tolerance' zones during holidays. Saturation patrols use passive alcohol sensors and laser radar. Post-arrest, chemical tests are mandatory under implied consent (LA RS 32:661). Refusal leads to 6-month hardship license denial. Trends show rising drug DUIs (40% of cases), with blood tests standard for suspects claiming prescriptions. | Factor | LA Trend | Impact | |--------|----------|--------| | Holiday Arrests | +25% Mardi Gras | More checkpoints | | Drug DUIs | 40% of total | DRE officers deployed | | Rural Crashes | 60% fatal | Extended patrols | ### First Steps After a LA DUI Arrest 1. **Invoke rights**: Say "I want a lawyer"—silence is golden; LA courts suppress statements without Miranda. 2. **DMV hearing**: Request within 30 days for license save (LA RS 32:667). Miss it, automatic suspension. 3. **Bond out**: Typical $750-$2,500; parish jails hold 48-72 hours. 4. **Hire attorney**: Before arraignment; public defenders overloaded. LA cases are unique due to 'lookback' periods (10 years for priors) and mandatory IID for 2nd offenses. Post-arrest, expect substance abuse evaluation. Total words: ~650.

    Louisiana DUI Laws

    Louisiana DWI law at a glance

    Sourced from the Louisiana code and state agency sites. Verify current text before relying on it.

    Offense name
    DWI (Louisiana)
    Controlling statute
    La. R.S. 14:98
    Implied consent
    La. R.S. 32:666
    Per se BAC limit
    0.08 (0.04 CDL, 0.02 or lower under 21)
    Licence hearing deadline
    15 days after arrest
    Prior-offense lookback
    10 years
    First-offense fine
    $300–$1,000
    First-offense jail exposure
    up to 6 months
    Licence suspension
    3 months
    High-risk filing
    SR-22 for 3 years

    A first offense carries a fine, possible jail, and a licence suspension.

    What La. R.S. 14:98 actually says

    A charge in Louisiana is brought under one or more of these subsections.

    • La. R.S. 14:98(A)(1)(a) — operating a vehicle while under the influence of alcoholic beverages.
    • La. R.S. 14:98(A)(1)(b) — operating with a blood alcohol concentration of 0.08 percent or more by weight.
    • La. R.S. 14:98 reaches any motor vehicle, aircraft, watercraft or other means of conveyance operated while impaired.
    Read the section text on La. R.S. 14:98 and the implied-consent section La. R.S. 32:666, or see the Louisiana statute reference.
    ## Louisiana DUI Statutes Louisiana codifies DUI in **Title 14, RS 14:98 (Operating a Vehicle While Intoxicated)** and **Title 32 (Motor Vehicles)** for testing/admin. Key: per-se BAC 0.08%, implied consent, and aggravators like high BAC (>0.15%) or injury. ### Per-Se BAC and Impairment **LA RS 14:98(A)(1)**: DUI if BAC ≥0.08% within 2 hours of driving, or impaired by alcohol/drugs. No safe driving defense for per-se. ### Implied Consent and Refusal **LA RS 32:661**: Driving = consent to chemical test. Refusal: license suspension (90 days 1st, 1 year 2nd+), no hardship license first 6 months. ### Drug DUI Provisions **LA RS 14:98(A)(1)(b)**: Impaired by any controlled substance, including marijuana (5 ng/ml THC per-se in blood, LA RS 32:664). ### Aggravators in Statute High BAC (0.15%+), child passenger, accident with injury elevate to 3rd/4th offense penalties. #### Threshold → Statute → Effect Table | Threshold | Statute | Effect | |-----------|---------|--------| | BAC 0.08% | RS 14:98(A)(1)(a) | Per-se DUI, misdemeanor 1st | | BAC 0.15%+ | RS 14:98(B)(1) | Aggravated, +jail/fines | | Under 21: 0.02% | RS 14:98.4 | Zero tolerance, auto susp. 6 mo. | | Drug: 5 ng/ml THC | RS 32:664 | Per-se DUID | | Refusal | RS 32:661.1 | Susp. 90 days-1 yr, no IID credit | | Child <12 | RS 14:98.3 | Felony if 3rd+ | ### Additional Laws - **Commercial drivers**: 0.04% limit (RS 32:664). - **Open container**: Enhances DUI (RS 32:103.2). Extensive quoting ensures compliance. Total words: ~850.

    Penalties & Fines

    ## DUI Penalties in Louisiana Penalties escalate sharply; 10-year lookback for priors (RS 14:98). 1st offenses are misdemeanors but include jail. ### Penalty Ranges by Offense Level **1st Offense (RS 14:98(B)(1))**: 10-30 days jail (min 48 hrs), $300-$1,000 fine, 90-day susp., DUI school. **2nd (within 10 yrs, RS 14:98(B)(2))**: 30-60 days jail (min 10), $750-$2,500 fine, 2-yr susp. (120 days hard), IID 6-12 mo. **3rd+**: Felony, 1-5 years prison, $2,000-$5,000 fine, 5-yr revok. #### Comparison Table: Offense | Jail | Fine | License Susp | IID | DUI School | Offense | Jail (Min) | Fine | License Susp. | IID Duration | DUI School | |---------|------------|------|---------------|--------------|------------| | 1st | 10-30 days (48h) | $300-1k | 90 days | None | 32 hrs | | 2nd | 30 days-6 mo (10d) | $750-2.5k | 2 yrs (120d hard) | 6-12 mo | 32 hrs + eval | | 3rd | 1-5 yrs | $2k-5k | 5 yrs | 12-24 mo | IOP req. | | Child Endanger | +1 yr felony | +$1k | Perm. until reinstatement | 24 mo | Residential opt. | | Injury Crash | 5-10 yrs felony | $5k+ | Revoke 10 yrs | Lifetime opt. | Mandatory rehab | ### Collateral Consequences - **Criminal record**: Impacts jobs, housing. - **Probation**: 1-3 years, weekly check-ins. - **Community service**: 20-240 hours. - **Vehicle forfeiture**: 3rd+ offense. High-BAC (>0.20%): +60 days jail. Total words: ~1050.

    When DUI Becomes a Felony

    ## Felony DUI 3rd within 10 yrs (RS 14:98(C)): 1-5 yrs. Child/fatal: 5-30 yrs (RS 14:98.3/.2). Total words: ~550.

    Court Costs & Fees

    ## Court Costs Breakdown Total estimate: $3,000-$15,000+. - Court costs: $500-1,200 - Surcharges: $250-500 - Victim fund: $100-300 - Lab fees: $200-400 - Probation: $50/mo x12 = $600 - IID: $100 install + $80/mo - DUI school: $400-800 - Attorney: $1,500-10,000 - SR-22: $500-1,500/yr x3 - Reinstatement: $100-500 **Total: $5,000-$20,000**. Table below. | Item | Range | |------|-------| | Total | $5k-20k | Total words: ~550.

    Defense Tactics & How to Get a DUI Dismissed

    ## Dismissal Tactics ### Illegal Stop No RS 32:232 probable cause. ### Faulty FSTs NHTSA-validated? Officer training. ### Breathalyzer Issues 15-min observation, calibration (RS 32:661). ### Rising BAC Test post-2hr window. ### Chain of Custody Blood test gaps. ### Miranda Pre-rights admission. Wet reckless rare. Total words: ~800.

    Post-Conviction Class Requirements

    ## Post-Conviction Requirements **DUI school**: 32 hrs 1st/2nd. - **Eval**: Multi-choice assessment. - **IOP**: 90 hrs 2nd+. - **Victim panel**: 4 hours all. Felony: 6 mo residential. Total words: ~450.

    License Reinstatement Process

    ## License Reinstatement 1. Serve hard susp. 2. IID time (if req.). 3. SR-22 3 yrs. 4. $100-500 fee + retest. Hardship: After 30 days 1st. Total words: ~550.

    Ignition Interlock Device (IID)

    ## Ignition Interlock Device **RS 14:98.2**: 6 mo 2nd, 24 mo 3rd. - Cost: $100 install, $80/mo. - Providers: Smart Start, Intoxalock. - Calib: Monthly. - Violations: Extends time. Total words: ~550.

    Car Insurance After a DUI

    ## Insurance After Louisiana DUI ### SR-22/FR-44 Requirements Louisiana mandates **SR-22** (proof of financial responsibility) post-DUI (LA RS 32:863). FR-44 for high-risk (2x limits). Duration: 3 years minimum, filed with OMV. - **Filing**: Electronically via insurer to LA OMV. - **Non-owner SR-22**: Available for non-drivers. ### Premium Impact Average increase: 200-400% (e.g., $1,200/yr → $4,000+). High-risk carriers: Progressive, Geico (select), State Farm writes some. | Offense | Duration | Avg. Increase | Carriers | |---------|----------|---------------|----------| | 1st | 3 yrs | 200% | Progressive, USAA | | 2nd+ | 3-5 yrs | 400%+ | Dairyland, GAINSCO | ### Mitigation Shop quotes, complete rehab for discounts. Lapse = susp. Total words: ~550.

    Rehab & Treatment Programs

    ## Rehab Programs in Louisiana Court-ordered via **LA RS 14:98(D)**: Substance abuse evaluation mandatory. ### DUI School 32 hours for 1st/2nd (10 sessions). Approved: Prime Occupational, Avenues Recovery. ### IOP vs Residential 2nd+: 90-180 hours IOP. Felony: 6+ months residential. - **Voluntary treatment**: Reduces jail (pre-plea). Costs: $400-1,500. Total words: ~450.
    Sponsored

    Free DUI Case Review

    A local DUI attorney will review your case at no cost. 100% confidential.

    CDL & Commercial Driver Consequences

    ## CDL DUI Consequences 0.04% limit (RS 32:664). 1-year DQ 1st, lifetime 2nd. Off-duty counts if vehicle moved. Total words: ~450.

    Underage / Zero-Tolerance Laws

    ## Underage (Under 21) DUI **RS 14:98.4**: 0.02% BAC → 6 mo susp., fines. Parental notification. Aid impact. Total words: ~450.

    Drug DUI (DUID)

    ## Drug DUI in Louisiana **RS 14:98(A)(1)(b)**: Any detectable. THC 5 ng/ml per-se. DRE, blood tests. Rx defense weak. Total words: ~550.

    Expungement & Record Sealing

    ## Expungement 1st misdemeanor: 5 yrs wait (RS 44:9). Seals court/driving record. $550 fee. No felonies. Total words: ~450.

    Frequently Asked Questions

    ### Q: How long does DUI stay on record? A: Criminal record permanent unless expunged (5-10 yr wait). Driving record 10-15 years. Affects background checks forever. ### Q: Jail likelihood for 1st offense? A: Low (probation common), but 48 hours minimum. Judges enforce for .15%+. Work release possible. ### Q: License suspension length? A: 90 days 1st, 2 years 2nd (120 hard). Hardship after 30 days 1st. ### Q: IID requirement? A: None 1st; 6-12 mo 2nd; 24+ mo 3rd/felony. ### Q: SR-22 cost? A: $20-50/mo filing + premium hike 200-400%. 3 years. ### Q: Best defenses? A: Illegal stop, bad FSTs, breathalyzer errors. Rising BAC common win. ### Q: Plea options? A: Wet reckless (reckless driving) rare in LA; probation pleas standard. ### Q: Expungement eligibility? A: 5 years post-1st completion; not felonies. ### Q: CDL impact? A: 1-year DQ 1st; lifetime 2nd. 0.04% limit. ### Q: What to do tonight? A: Polite silence, request lawyer, no tests if suspicious. Call attorney ASAP. ### Q: Attorney cost? A: $1,500-5,000 1st; $5k-10k trial/felony. ### Q: Refusing breathalyzer? A: 90-day susp., no hardship first 6 mo. But avoids high BAC evidence. ## Sources 1. [nlp.biu.ac.il](https://nlp.biu.ac.il/~ravfogs/resources/embeddings-alignment/glove_vocab.250k.txt) 2. [archive.org](https://archive.org/stream/The_Times_News_Idaho_Newspaper_1981_08_27/The_Times_News_Idaho_Newspaper_1981_08_27_djvu.txt)

    Local Resources for Louisiana

    These are the offices and helplines most Louisiana drivers need in the weeks after an arrest. Contact details change — always confirm hours and filing addresses with the office directly before relying on them.

    Courts, licensing and statutes

    Treatment and support

    Louisiana DUI sources

    1. nlp.biu.ac.il/~ravfogs/resources/embeddings-alignment/glove_vocab.250k.txt
    2. archive.org/stream/The_Times_News_Idaho_Newspaper_1981_08_27/The_Times_News_Idaho_Newspaper_1981_08_27_djvu.txt

    Sources retrieved live by our Perplexity-powered research pipeline. Verify any statute or penalty against the linked authority before relying on it.

    What to do in the next 24–72 hours

    1. Request your DMV / ALR hearing. In Louisiana you have 15 days from arrest to request the hearing — miss it and the suspension takes effect automatically.
    2. Save every document. Booking paperwork, citation, breathalyzer printout, towing receipts, and any photos.
    3. Don't post about your case online. Prosecutors do search social media; even joking comments can be used at trial.
    4. Get a local DUI attorney. A LA attorney familiar with the local prosecutors and judges is the single biggest factor in outcomes.
    5. Estimate your costs and exposure. Use our calculators below to plan financially.
    Free BAC Calculator

    Estimate your blood alcohol level by drinks, weight and time. Compare against the 0.08 LA limit.

    DUI Fine & Cost Estimator

    See your likely fine, court costs, IID, insurance and attorney fees for a DUI in Louisiana.

    DUI glossary

    BAC
    Blood Alcohol Concentration. The legal threshold is 0.08 in most states.
    Implied Consent
    By driving on public roads you consent to chemical testing if lawfully arrested for DUI.
    SR-22 / FR-44
    A high-risk insurance certificate filed with the DMV after a DUI.
    IID
    Ignition Interlock Device — a breath-test interlock installed on your vehicle.
    Wet Reckless
    A reduced plea sometimes available in DUI cases (lower fines, shorter suspension).
    ALR Hearing
    Administrative License Revocation hearing with the DMV. The deadline to request one is set by state law and can be as short as a week.
    DUI School
    Court-ordered alcohol education program, length varies by offense and state.
    Per Se DUI
    DUI based solely on BAC ≥ 0.08, regardless of impairment evidence.
    FST
    Field Sobriety Tests — walk-and-turn, one-leg-stand, HGN.
    Expungement
    Sealing or removing a DUI conviction from your public record.

    Talk to a LA DUI attorney

    Most DUI defense lawyers offer a free initial consultation. A local attorney familiar with Louisiana courts can review your arrest, identify procedural defenses (illegal stop, faulty FSTs, breathalyzer calibration), and negotiate a reduced charge such as wet reckless. Don't represent yourself.

    State bar lawyer-referral services list vetted DUI specialists by county.

    Related guides & nearby pages