Is DWI a Criminal Offense or a Traffic Violation?

Yes, a DWI is a criminal offense in every state, not a traffic ticket. Driving with a blood alcohol concentration of 0.08% or higher is prosecuted as a crime nationwide, and a conviction can bring jail time, fines, a license suspension, and a permanent criminal record. A first offense is usually a misdemeanor. Repeat offenses, a very high BAC, or a crash that injures someone can push the charge to a felony.

Why It’s a Crime and Not a Traffic Infraction

The classification reflects how the legal system treats the risk. Running a red light or speeding is a civil infraction handled with a fine. Impaired driving is prosecuted by the government as a criminal case, which means you are formally accused, entitled to a jury trial, and exposed to incarceration. A conviction produces a criminal record that appears on background checks for years, and in many cases permanently.

The U.S. Supreme Court reinforced this framework in Birchfield v. North Dakota (2016), noting that every state prohibits driving above a specified BAC and recognizing the serious public safety harm impaired driving causes. The Court held that police may require a breath test after a lawful DWI arrest without a warrant, but a warrantless blood test is not permitted.¹

Federal law also pushes states to keep DWI penalties serious. Under 23 U.S.C. § 164, states that fail to enact minimum penalties for repeat intoxicated drivers risk losing a portion of their federal highway funding. Those minimums include at least a one-year license suspension or ignition interlock requirement for a second offense, plus mandatory jail time or community service.²

DUI, DWI, OWI: Same Offense, Different Labels

Different states use different acronyms, and that leads people to wonder whether one version is somehow less serious. In almost every case, they describe the same offense. DWI (Driving While Intoxicated), DUI (Driving Under the Influence), OWI (Operating While Intoxicated), and OUI (Operating Under the Influence) all cover operating a motor vehicle while impaired by alcohol or drugs. The label depends on which term the state legislature chose.

A few states draw a legal distinction between the terms. In some, DWI applies to drivers over 21 who test at or above 0.08%, while DUI applies to underage drivers with a lower BAC. In others, DWI is the more serious charge and a different acronym covers borderline impairment. Whichever label your state uses, though, it’s a criminal charge and not a civil infraction.

When a DWI Is a Misdemeanor and When It’s a Felony

A first-offense DWI with a BAC just above 0.08% is almost always charged as a misdemeanor. Three factors typically push the charge into felony territory: prior convictions, a high BAC, or someone getting hurt.

Repeat offenses are the most common route to a felony. A second or third DWI within a specified lookback period, often five to ten years, triggers felony charges in most states. Federal law sets the floor: at least five days in jail or 30 days of community service for a second offense, and at least ten days in jail or 60 days of community service for a third, as a condition of full highway funding.² Many states go well beyond those minimums.

Several aggravating factors can also elevate the charge, even on a first offense:

A BAC of 0.15% or higher, roughly double the legal limit, triggers enhanced penalties in many jurisdictions. Some states set the threshold at 0.17%.
Driving impaired with a minor in the vehicle is treated as a separate, more serious offense in most states and can be charged as child endangerment.
If impaired driving causes a crash that injures or kills someone, the charge typically jumps to a felony regardless of prior history.
Driving impaired while your license is already suspended or revoked compounds the offense.

Felony DWI cases are prosecuted in higher courts and carry significantly longer potential sentences, larger fines, and longer license revocations than misdemeanor charges.

What a Conviction Actually Costs

Dollar amounts and jail terms vary by state, but the general shape of DWI penalties is consistent. First-offense misdemeanor convictions typically carry fines from several hundred to a few thousand dollars, along with mandatory alcohol education, and possible probation or community service. Some jurisdictions impose short jail sentences even for first offenses, often 24 to 72 hours.

Felony convictions escalate sharply. Repeat offenders and those who caused injuries face fines that can exceed $10,000 and prison sentences measured in years. Many states impose mandatory minimums for felony DWI, so the judge cannot substitute probation for incarceration below a certain floor.

Beyond the sentence, license reinstatement fees typically run several hundred dollars, and court costs, attorney fees, and mandatory treatment programs add up quickly. One expense that surprises people: DWI fines and penalties are not tax-deductible. Federal law explicitly prohibits deducting any fine or penalty paid to a government entity for violating the law, which includes the DWI fine itself, court surcharges, and any related government-imposed fees.³

License Suspension and Implied Consent

Every state has an implied consent law. By holding a driver’s license and using public roads, you have already agreed to submit to chemical testing if an officer has probable cause to suspect impaired driving. Refusing a breath test triggers an immediate administrative license suspension in nearly every jurisdiction. In at least 12 states, refusal is a separate criminal offense on top of the DWI charge.⁴

The administrative suspension often happens before your criminal case even reaches a courtroom. Many states impose a 90-day to one-year suspension immediately after arrest, regardless of whether you are later convicted. Contesting it usually requires a separate hearing with the motor vehicle department on a different timeline than the criminal case.

A conviction brings additional suspension time. A first conviction commonly results in a suspension of 90 days to one year. Second offenses within a lookback period often trigger one to three years, and third or subsequent offenses can lead to revocation lasting several years or, in some states, permanently. Moving to a new state won’t reset your record; the National Driver Register, maintained by the U.S. Department of Transportation, lets states share information about drivers whose licenses have been suspended or revoked.⁵

Ignition Interlock

An ignition interlock device is a breathalyzer wired into your vehicle’s ignition. You blow into it before starting the car, and the engine won’t turn over if it detects alcohol. As of recent data, 34 states and the District of Columbia require interlock devices for all convicted DWI offenders, including first-time offenders.⁶ Remaining states typically require them starting with a second offense or when the BAC exceeds a higher threshold. Installation and monthly monitoring fees are paid by the offender, and the requirement commonly lasts six months to two years.

Insurance and SR-22

A DWI conviction hits your insurance costs hard. Insurers classify convicted drivers as high-risk, and premiums commonly double or triple. Those elevated rates typically persist for three to five years. Most states also require you to file an SR-22, a certificate your insurance company submits to the state proving you carry at least the minimum required liability coverage. The SR-22 requirement generally lasts about three years from the date you become eligible to reinstate your license. If your coverage lapses during that period, your insurer notifies the state and your license is suspended again.

Employment and Professional Licenses

A DWI conviction shows up on criminal background checks, which most employers run. Positions that involve driving, operating heavy equipment, or working with vulnerable populations are particularly affected. Many employers in transportation, healthcare, education, and government disqualify candidates with DWI convictions outright or require a waiting period. Professional licensing boards in fields like law, medicine, nursing, and education often require disclosure of any criminal conviction, and a DWI can trigger a review that results in probation, suspension, or revocation of the professional license.

Where a DWI Reaches Beyond a Normal Criminal Case

Commercial Driver’s License Holders

If you hold a CDL, the stakes are higher. Federal regulations impose a mandatory one-year CDL disqualification for a first DWI offense, whether you were driving a commercial vehicle or your personal car. If you were hauling hazardous materials, the disqualification jumps to three years. A second DWI offense in any vehicle results in a lifetime CDL disqualification. A state may reinstate a lifetime-disqualified CDL holder after ten years if the driver completes an approved rehabilitation program, but a subsequent DWI conviction after reinstatement results in permanent disqualification with no further opportunity to reinstate.⁷

Immigration Consequences

Under federal immigration law, a simple first-offense DWI without aggravating factors is generally not classified as a deportable offense. The Board of Immigration Appeals has consistently held that a basic DWI does not qualify as a “crime involving moral turpitude” or an “aggravated felony” under the Immigration and Nationality Act. That protection disappears when aggravating circumstances come in. A DWI with a child in the car may be charged as child endangerment, which immigration authorities can treat as a crime involving moral turpitude. A DWI conviction carrying a sentence of one year or more, even if suspended, or one involving serious bodily injury or death, can meet the threshold for an aggravated felony. For immigration purposes, the sentence imposed matters, not the time actually served.

Entering Canada

Canada treats impaired driving as a serious criminal offense under its own law. Since December 2018, a DWI conviction, including a misdemeanor, can make you inadmissible to Canada regardless of how long ago it occurred. Before that change, a single DWI conviction more than ten years old qualified for automatic “deemed rehabilitation,” but that pathway no longer applies to offenses after the December 2018 cutoff. Travelers with a DWI conviction can apply for a Temporary Resident Permit for short-term entry or pursue Criminal Rehabilitation, which permanently resolves the inadmissibility but requires at least five years to have passed since completing the full sentence.⁸

Can a DWI Be Expunged From Your Record?

Whether you can expunge or seal a DWI conviction depends entirely on your state, and for many people the answer is no. A significant number of states do not allow DWI expungement for adults at all. Among the states that do permit it, the process typically requires a waiting period of five to ten years after you complete your entire sentence, including probation, fines, and community service. Eligibility is almost always limited to first-offense misdemeanors, and a felony DWI is much harder or impossible to expunge.

Even in states that offer expungement, the effect has limits. An expunged DWI still counts as a prior offense if you are arrested for impaired driving again. Insurance companies and certain government agencies may still access sealed records. And because DWI convictions are reported to the National Driver Register, the driving record maintained by the Department of Transportation is separate from your criminal record and may still reflect the offense.⁵

1
Justia. Birchfield v. North Dakota
2
Office of the Law Revision Counsel. 23 USC 164 – Minimum Penalties for Repeat Offenders for Driving While Intoxicated or Driving Under the Influence
3
Office of the Law Revision Counsel. 26 USC 162 – Trade or Business Expenses
4
NHTSA. BAC Test Refusal Penalties
5
GovInfo. 49 USC 30302 – National Driver Register
6
NHTSA. Alcohol Ignition Interlocks
7
eCFR. 49 CFR 383.51 – Disqualification of Drivers
8
Canada.ca. Overcome Criminal Convictions