Nationwide Ignition Interlock

Farmington Hills, MI — Safety & Security. ﻿ Nationwide Interlock – Your Trusted Roadguard Ignition Interlock Provider If you’ve been ordered to install an ignition interlock device (IID) after a DUI or drunk driving arrest, Nationwide Interlock is here to make the process fast, simple, and stress-free. As an official Roadguard Ignition Interlock Device Service Provider, we deliver state-certified, court-approved car breathalyzers that...