Save up to $200 on Your Ignition Interlock with RoadGuard!

We believe in affordable ignition interlock device options. That’s why we are offering new customers savings off the cost of an interlock device!

Choosing an interlock provider may be challenging, but rest assured, you can trust RoadGuard Interlock. We will be with you every step of the way, guiding you through requirements.

RoadGuard Ignition Interlock Support

Support that extends beyond your first appointment with professional and qualified representatives.


Young man using car breathalyzer

Ignition interlock devices trusted by millions of customers worldwide. With affordable prices and no hidden costs.

Young man passing car breathalyzer test

Ignition interlock installation on any type of motor vehicle, including motorcycles (where allowed).

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By submitting this form, you agree and consent for RoadGuard Interlock and its affiliates to use automated technology, including emails, calls, texts, and prerecorded messages, to contact you at the information provided. No purchase necessary; message and data rates may apply.

Notice: Actual value varies by state. Free first month includes monthly lease and service costs, not including any applicable state fees or insurance. Minimum 6 months lease required. The free month will be an account credit, which will be equal to the monthly lease & calibration service fees, not including tax, state or insurance fees.