What States Require Ignition Interlock Devices?

If you’ve been charged with a DUI or DWI, you might be wondering about the legal requirements for Ignition Interlock Devices (IIDs) in your state. Understanding state-specific regulations is crucial to stay compliant with the law. Here you can find information on which states require Ignition Interlock Devices, the laws surrounding them, and the importance of adhering to these requirements.

Understanding All-Offender IID Laws

In an effort to enhance road safety and prevent drunk driving incidents, many states have implemented “All-Offender IID laws.” These laws mandate the installation of Ignition Interlock Devices for all individuals convicted of DUI or DWI offenses, regardless of whether it’s their first offense or subsequent ones. These laws aim to deter repeat offenses.

States Requiring Ignition Interlock Devices

Let’s take a closer look at the states that currently require the use of Ignition Interlock Devices as part of their DUI or DWI sentencing. Please note that laws and requirements can change over time, so it’s essential to verify the most up-to-date regulations in your state.

As of July 2023, the following states have IID requirements:

Alabama

Always Required: Yes

Ignition Interlocks are mandatory for DUIs with a high BAC (0.15 and above), if you refused to provide BAC, or if a child under 14 years old was present. An IID is required if someone besides the offender was injured at the time of the DUI and any repeat convictions.

Alaska

Always Required: Yes

Ignition Interlock Devices are mandatory for all convictions in Alaska. You may be required to have an IID between 6 months to 18 months.

Arizona

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in Arizona. You’re typically required to have an Ignition Interlock installed for a year.

Arkansas

Always Required: No

You may be able to install Ignition Interlock Device if you qualify for an Ignition Interlock Restricted license.

California

Always Required: No

Installing an Ignition Interlock in California is mandatory for all repeat and injury-involved offenses, first-time injury or vehicular manslaughter charges. You may not be required to install an Ignition Interlock if this is your first DUI charge.

Colorado

Always Required: No

Ignition Interlock Devices are not mandatory for all DUI charges in Colorado. However, they are required for high BAC (0.15 and above) and repeat convictions. Additionally, they are often required by state judges or the state authorities for first convictions, meaning you may opt for installing an IID to reduce other penalties.

Connecticut

Always Required: No

In Connecticut, Ignition Interlock Devices are often required by state judges or the state authorities for all DUI convictions. Opting for an IID may allow you to regain some driving privileges during your license suspension period.

Delaware

Always Required: No

Delaware often requires the use of Ignition Interlock Devices for all DUI convictions. Installing an IID may help you regain your driving privilege, especially if it’s your first offense.

Florida

Always Required: No

Installing an Ignition Interlock Device is not mandatory for all DUI charges in Florida. However, it becomes mandatory upon a second or third conviction if you qualify for a permanent or restricted license, if there are other extenuating circumstances, or if a person under 18 years of age was present during the offense.

Georgia

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in Georgia. You will need to install an IID as part of your sentencing requirements.

Hawaii

Always Required: Yes

In Hawaii, Ignition Interlock Devices are mandatory for all DUI convictions. You will be required to install an IID as part of your sentence.

Idaho

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in Idaho. You will need to have an IID installed to comply with the law.

Illinois

Always Required: Yes

In Illinois, Ignition Interlock Devices are mandatory for all DUI convictions, even first convictions. Opting for an IID may reduce the length of your driver’s license suspension period and other penalties.

Indiana

Always Required: No

Ignition Interlock Devices are mandatory for repeat DUI convictions in Indiana. If you have multiple DUI offenses, installing an IID will be required as part of your sentencing. They may not be required for first time DUI charges.

Iowa

Always Required: No

In Iowa, Ignition Interlock Devices are often required by state judges or the state authorities for all DUI convictions. Choosing to install an IID may help you regain some driving privileges during your license suspension period.

Kansas

Always Required: No

In Kansas, Ignition Interlock Devices are often required by state judges or the state authorities for all DUI convictions. Opting for an IID may allow you to have restricted driving privileges during your license revocation period.

Kentucky

Always Required: Yes

In Kentucky, Ignition Interlock Devices are mandatory for all DUI charges in Kentucky. You will need to have an IID installed as part of your sentencing.

Louisiana

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in Louisiana. You will need to have an IID installed as part of your sentencing.

Maine

Always Required: No

Ignition Interlock Devices are often required by state judges or the state authorities for all DUI convictions in Maine. Choosing to install an IID may help you regain some driving privileges during your license suspension period.

Maryland

Always Required: Yes

In Maryland, Ignition Interlock Devices are mandatory for all DUI convictions. You will need to have an IID installed as part of your sentence.

Massachusetts

Always Required: No

Ignition Interlock Devices are mandatory for repeat DUI convictions in Massachusetts. If you have multiple DUI offenses, installing an IID will be required as part of your sentencing.

Michigan

Always Required: No

Ignition Interlock Devices are mandatory for DUI convictions with high BAC (0.17) and repeat convictions. If you fall under these categories, installing an IID will be required.

Minnesota

Always Required: No

Ignition Interlock Devices are often required by state judges or the state authorities for DUI convictions with high BAC (0.16) and repeat offenses. Opting for an IID may reduce your license suspension period and other penalties.

Mississippi

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in Mississippi. You will need to have an IID installed to comply with the law.

Missouri

Always Required: No

Ignition Interlock Devices are mandatory for repeat DUI convictions in Missouri. If you have multiple DUI offenses, installing an IID will be required as part of your sentencing.

Montana

Always Required: No

Ignition Interlock Devices are mandatory for repeat DUI convictions in Montana. If you have multiple DUI offenses, installing an IID will be required as part of your sentencing.

Nebraska

Always Required: Yes

In Nebraska, Ignition Interlock Devices are mandatory for all DUI convictions. You will need to have an IID installed as part of your sentence.

Nevada

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in Nevada. You will need to have an IID installed as part of your sentence.

New Hampshire

Always Required: Yes

In New Hampshire, Ignition Interlock Devices are mandatory for all DUI convictions. You will need to have an IID installed as part of your sentence.

New Jersey

Always Required: Yes

In New Jersey, Ignition Interlock Devices are mandatory for all DUI convictions. You will need to have an IID installed as part of your sentence.

New Mexico

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in New Mexico. You will need to have an IID installed as part of your sentence.

New York

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in New York. You will need to have an IID installed as part of your sentence.

North Carolina

Always Required: No

Ignition Interlock Devices are mandatory for DUI convictions with high BAC (.15 or higher) and repeat offenses in North Carolina. If you fall under these categories, installing an IID will be required.

North Dakota

Always Required: No

The use of Ignition Interlock Devices is discretionary in North Dakota, meaning it may be required at the court’s discretion based on the specifics of the DUI case.

Ohio

Always Required: No

Ignition Interlock Devices are mandatory for repeat DUI convictions in Ohio. If you have multiple DUI offenses, installing an IID will be required as part of your sentencing.

Oklahoma

Always Required: No

In Oklahoma, Ignition Interlock Devices are mandatory for DUI convictions with high BAC (0.15 and above) and repeat offenses. For first convictions, installing an IID is often required by state judges or the state authorities, which may reduce your license suspension period.

Oregon

Always Required: Yes

In Oregon, Ignition Interlock Devices are mandatory for all DUI convictions and diversions. You will need to have an IID installed as part of your sentence or diversion program.

Pennsylvania

Always Required: No

Ignition Interlock Devices are mandatory for DUI convictions with high BAC (.10 or higher) and repeat offenses in Pennsylvania. If you fall under these categories, installing an IID will be required.

Rhode Island

Always Required: Yes

In Rhode Island, Ignition Interlock Devices are mandatory for all DUI convictions. You will need to have an IID installed as part of your sentence.

South Carolina

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in South Carolina. You will need to have an IID installed as part of your sentence.

South Dakota

Always Required: No

The use of Ignition Interlock Devices is discretionary in South Dakota, meaning it may be required at the court’s discretion based on the specifics of the DUI case.

Tennessee

Always Required: No

Ignition Interlock Devices are mandatory for repeat DUI convictions in Tennessee. If you have multiple DUI offenses, installing an IID will be required as part of your sentencing. Additionally, installing an IID is often required by state judges or the state authorities for first convictions.

Texas

Always Required: No

In Texas, Ignition Interlock Devices are mandatory for all repeat DUI convictions. If you have multiple DUI offenses, installing an IID will be required as part of your sentencing.

Utah

Always Required: Yes

In Utah, Ignition Interlock Devices are mandatory for repeat DUI convictions. For first convictions, installing an IID is often required by state judges or the state authorities, which may reduce your license suspension period.

Vermont

Always Required: No

In Vermont, Ignition Interlock Devices are often required by state judges or the state authorities for all DUI convictions. Opting for an IID may help you regain some driving privileges during your license suspension period.

Virginia

Always Required: No

In Virginia, Ignition Interlock Devices are mandatory for repeat DUI convictions. For first convictions, installing an IID is often required by state judges or the state authorities, which may reduce your license suspension period.

Washington

Always Required: Yes

Ignition Interlock Devices are mandatory for all DUI convictions in Washington. You will need to have an IID installed as part of your sentence.

Washington D.C.

Always Required: Yes

In D.C., Ignition Interlock Devices are mandatory for all DUI convictions. You will need to have an IID installed as part of your sentence.

West Virginia

Always Required: No

In West Virginia, Ignition Interlock Devices are mandatory for DUI convictions with high BAC (.15 or higher) and repeat offenses. You will need to have an IID installed as part of your sentence.

Wisconsin

Always Required: No

Ignition Interlock Devices are mandatory for DUI convictions with high BAC (.15 or higher) and repeat offenses in Wisconsin. If you fall under these categories, installing an IID will be required.

Wyoming

Always Required: No

Ignition Interlock Devices are mandatory for DUI convictions with high BAC (.15 or higher) and repeat offenses in Wyoming. If you fall under these categories, installing an IID will be required.

Ignition Interlock Exemptions

While many states have strict IID laws, some offer exemptions under specific circumstances. These exemptions may vary from state to state and could include factors such as the type of motor vehicle, medical conditions, or other legal considerations. It’s essential to consult with legal experts or your local authorities to understand if you qualify for any exemptions in your state. Check your state’s regulations on how many Interlock violations you can have to ensure you don’t extend your license restriction.

Obtaining and Installing an Ignition Interlock Device

If your state requires an IID as part of your DUI or DWI sentence, the next step is to obtain and install a reliable device. Additionally, choose the right device for you and your program requirements, as there are different types of Ignition Interlock devices. Beware of the common Ignition Interlock device problems and make sure you choose a provider with the latest technology. Smart Start provides state-of-the-art Ignition Interlock devices that meet all necessary regulations. Once you’ve chosen Smart Start as your IID provider, the installation process is quick and straightforward. Our team will guide you through the setup, ensuring you have a clear understanding of how the device works.

Why Choose Smart Start

Smart Start has everything you need for Ignition Interlock. We have been a top Ignition Interlock Provider since 1992, with thousands of locations in the U.S. You’ll always get fast installation by knowledgeable technicians at a service center that’s close to you. That includes hands-on training so you’re comfortable using your device.

How to Get an Ignition Interlock Installed

Start by scheduling an installation appointment. Just call (800) 831-3299 or fill out our online form. Our Customer Care advocates can ensure that you comply with all your IID state laws and requirements.

Complying with State IID Laws

At Smart Start, we understand the importance of complying with state IID laws. Each state’s requirements can vary, and it’s crucial to stay informed to ensure your compliance. Remember, installing an Ignition Interlock device is not just a legal obligation; it’s a responsible step towards expanding public safety on the road. If you have any questions or need assistance with an IID, don’t hesitate to contact Smart Start, your reliable partner in Ignition Interlock solutions.

The information in this blog is for informational purposes only. It is not intended to and should not be relied upon or construed as a legal opinion or legal advice or to address all circumstances that might arise. Individuals and entities referencing this page are encouraged to consult with their own legal counsel and their state authority. Some information may be dated and may not reflect the most current legal developments. Smart Start expressly disclaims all liability regarding actions taken or not taken based on any or all content.

Sources:

1. National Conference of State Legislatures. State Ignition Interlock Laws. https://www.ncsl.org/transportation/state-ignition-interlock-laws
2. Governors Highway Safety Association. Alcohol Impaired Driving. https://www.ghsa.org/state-laws/issues/alcohol%20impaired%20driving
3. Governors Highway Safety Association. Alcohol-Impaired Driving Laws by State Updated June 2023. https://www.ghsa.org/sites/default/files/2023-06/DrunkDrivingLaws_0623.pdf