Ignition Interlock Devices in Kentucky

When is an IID Authorized?

Kentucky has authorized the use of ignition interlock devices (IIDs) for certain drivers convicted of alcohol related driving offenses.

When are IIDs Authorized?

Kentucky courts may authorize the installation and maintenance of an IID at a court’s discretion. This requirement lasts for the following:

  • first offense – 6 months;
  • second offense (within 5 years) – 12 months;
  • third or subsequent offense (within 5 years) – 30 months.

Second or subsequent offenders must wait at least one year from the start of the license revocation period before applying to the court for permission to use an IID.

 What’s an IID?

An IID connects to the vehicle dashboard and the driver breaths into the device prior to starting the vehicle. If the IID detects a BAC above the limit programmed the device (typically calibrated at .02%), then the engine won’t start. Read more about ignition interlock devices (IIDs).

Where Can I Find an IID Provider?

IID providers are approved for installation throughout Kentucky. You can find a list of approved IID providers at the Kentucky DMV website.

Who Pays For it?

In almost all cases the driver who has been convicted of a DUI/DWI pays for the installation and lease of the ignition interlock system. You can expect to pay up to $100 for installation (although some companies offer free installation) and between $75-$120 per month for the lease. This is a rough estimate and your price may be higher or lower depending on your location.

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