Rhode Island DUI Laws Explained

By Javier Marín, Editor·Last reviewed September 2026·How we check this

Rhode Island charges impaired driving as Driving Under the Influence (DUI) under R.I. Gen. Laws § 31-27-2. A DUI arrest in Rhode Island triggers two parallel processes — a criminal case in district court and an administrative suspension by the RI DMV. Both move quickly, with separate timelines, and both have to be answered separately if you want the best possible outcome.

The legal threshold

Rhode Island's per-se thresholds:

Adults 21+: 0.08% BAC for standard DUI.
Aggravated DUI: 0.10% BAC and above (additional charge with longer suspension and stricter penalties).
High-BAC DUI: 0.15% BAC and above (further enhancement on penalties).
Drivers under 21: 0.02% BAC under Rhode Island's youth zero-tolerance law (separate administrative consequence).
Commercial drivers (CDL): 0.04% BAC.

Rhode Island also charges DUI on impairment evidence below the 0.08% threshold — the prosecution must prove the driver's ability to operate the vehicle safely was impaired by alcohol, drugs, or a combination.

The administrative suspension

After a DUI arrest where the BAC was 0.08% or higher (or the driver refused chemical testing), the RI DMV issues an administrative suspension. Suspension lengths:

1 month minimum — first BAC failure (0.08% to under 0.10%).
3 months — first BAC failure at 0.10% or higher.
6 months — first chemical-test refusal.
1 year — second chemical-test refusal within 5 years.
2 years — third chemical-test refusal within 5 years.

The driver has the right to a hearing before the suspension takes effect; the hearing addresses whether the officer had lawful cause, whether the test was administered correctly, and whether the BAC threshold was met.

First-offense criminal penalties

A first-offense Rhode Island DUI is a misdemeanor under 31-27-2, carrying:

Up to 1 year in jail.
A fine of $100 to $500, plus court costs and a victims-compensation surcharge.
License suspension of 1 month minimum for standard first offense, longer for aggravated or refusal.
Mandatory completion of RI DUI School.
Mandatory IID for 6-12 months on a restricted (hardship) license, depending on BAC and case factors.
SR-22 financial-responsibility filing for 3 years — see Rhode Island insurance.
10-60 hours of community service.
1-year probation.

Ignition Interlock Device (IID)

Rhode Island's IID program lets DUI-convicted drivers apply for a hardship (restricted) license with an IID installed in any vehicle they operate. For first-offense convictions, the IID period typically runs 6 to 12 months; second-offense IID periods are 2 years; third-offense IID periods are 2 to 4 years. The IID measures the driver's BAC before allowing the engine to start; rolling tests during the trip catch any post-start drinking. Drivers pay around $100 for installation and $70-$100 monthly for monitoring.

Aggravating factors

Rhode Island penalties escalate when:

BAC at or above 0.10% (aggravated DUI).
BAC at or above 0.15% (high-BAC enhancement, longer IID period).
A passenger under 13 in the vehicle (separate child-endangerment charge).
An accident with bodily injury (DUI with injury, felony, up to 10 years).
An accident with serious bodily injury (DUI-SBI is a felony, up to 20 years).
An accident with death (DUI manslaughter, felony, up to 15 years).
Refusal of chemical testing (longer administrative suspension, separate civil penalty).
A prior DUI within Rhode Island's 5-year lookback window.

Repeat offenses

A second Rhode Island DUI within 5 years brings:

Up to 1 year in jail (with mandatory minimum jail time on conviction).
Fine $400-$1,000.
1-year license suspension.
Mandatory IID for 2 years on restoration.

A third DUI within 5 years is a felony in Rhode Island, with up to 5 years in prison, mandatory minimum jail, $1,000-$5,000 fine, 2-3 year license suspension, and IID for up to 4 years on restoration. RI's enhancement structure is more severe than its size might suggest — the legislature has steadily added enhancements over the past decade.

Underage zero-tolerance

Drivers under 21 with a BAC of 0.02% or higher face civil action under Rhode Island's youth-zero-tolerance program: license suspension on the first offense, longer for subsequent offenses, and mandatory DUI School completion. The youth-zero-tolerance suspensions are administrative, separate from any criminal DUI charge, and can be appealed through the DMV. See RI Limited Provisional License.

The chemical-test refusal civil penalty

Refusing a chemical test in Rhode Island carries a separate civil penalty under R.I. Gen. Laws § 31-27-2.1, even if the driver is acquitted of the underlying DUI. First-time refusal: 6-month suspension and $200-$500 fine. Refusal is treated administratively as evidence of consciousness of guilt and is admissible at the criminal trial.