Aggressive Driving

The Law
Pennsylvania’s Ignition Interlock Law requires an individual convicted of a second or subsequent offense of driving under the influence to have an approved ignition interlock system installed on each motor vehicle they own, operate, or lease for one year before they are eligible to apply for an unrestricted driver’s license. All DUI violations will be counted as prior offenses regardless of the date they occurred.

What is Ignition Interlock?
Ignition interlock is a device that is installed on motor vehicles to prohibit individuals under the influence of alcohol from operating the vehicle. Individuals are required to blow into the device before starting the vehicle. If the device detects alcohol, it will prevent the vehicle from starting. In addition, at periodic times during the operation of the vehicle, the driver will be prompted to blow into the device to ensure they are not under the influence.

Applying for an Ignition Interlock System/License
Thirty days prior to an individual’s restoration eligibility date, PennDOT will mail the individual a Restoration Requirements Letter. This letter includes an application for the Ignition Interlock License and a list of ignition interlock providers. The person should complete the application for the Ignition Interlock License and send it to PennDOT Immediateely. The fee for an Ignition Interlock License varies.

Ignition Interlock Licenses have a red banner that contains the words “Limited License”. The red map of Pennsylvania in the lower right corner identifies the type of License as Ignition Interlock. This license permits a person to only drive a vehicle equipped with an Ignition Interlock device.

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