New Hampshire ignition interlock device state laws FAQs

Here is a quick list of frequently asked questions to help you with this process.

What is an ignition interlock device, and why do I need one?

An ignition interlock device is a breathalyzer that is installed in your vehicle to prevent drinking and driving. It is made up of a mouthpiece, a handheld unit and a cord that attaches to your vehicle’s ignition system. You are required to blow into the mouthpiece to test your Breath Alcohol Concentration (BrAC) before starting your car. For more information see our what is an interlock page.

What are New Hampshire’s ignition interlock device requirements?

To view the New Hampshire ignition interlock device requirements please visit the New Hampshire state page.

How much does an ignition interlock cost in New Hampshire?

For pricing information, see New Hampshire pricing.

What are the steps to get my ignition interlock device in New Hampshire?

Please visit the New Hampshire state page to learn what steps you need to take to get back on the road.

What information should I provide to get my ignition interlock device installed in New Hampshire?

To learn more about the steps to regaining your license, please visit our New Hampshire state page.

How do I find an installation location near me in New Hampshire?

To find the New Hampshire Intoxalock service center closest to you, please visit our New Hampshire installation locations page.

When can I get my ignition interlock device removed in New Hampshire?

The only way to confirm you are eligible to remove the device is to have Intoxalock check with your monitoring authority.

What information should I provide to get ignition interlock device removed in New Hampshire?

Intoxalock will contact your monitoring authority to ensure you are eligible for removal.

What are the other DUI requirements in New Hampshire?

Please visit the New Hampshire state page to learn about other DUI requirements.

Can I get financial assistance to pay for my ignition interlock device in New Hampshire?

For pricing information, see New Hampshire pricing page.

Where can I find other DUI resources such as a DUI attorney, treatment center or SR-22 insurance in New Hampshire?

To find a DUI attorney in New Hampshire, please visit our New Hampshire attorney partners page.
To find a treatment center in New Hampshire, please visit our New Hampshire alcohol treatment centers page.

How does an ignition interlock device work?

To see how an ignition interlock device works, visit our ignition interlock page and watch our video demonstrating how to use the device.

Where can I find more information on ignition interlock devices?

To learn more about ignition interlock information, please visit our partner site.