Ignition Interlock Providers

Ignition Interlock Program Help Center

Click here, to access the new Ignition Interlock Program Help Center where you can access program information, submit help tickets, and be connected to program staff.



The Tennessee Department of Safety & Homeland Security is a staunch advocate of strong D.U.I. enforcement and highway safety. In a continuing effort to save lives, the Department is taking steps to ensure that Tennessee’s Ignition Interlock Program is effective and operating efficiently.

If you have questions about your ignition interlock requirements under T.C.A. 55-10-417, or 55-10-425, please contact the Tennessee Highway Patrol Ignition Interlock Program at (615)743-4960, or Safety.Interlock@tn.gov.

If you have questions about your revoked or restricted Tennessee driver license that do not pertain to ignition interlock, please call the Restricted License Information Line at (615)251-5250,  the Financial Responsibility Call Center at 1-866-903-7357, or the Driver License Call Center at 1-866-849-3548.


Ignition Interlock Provider Locations

For a map of Certified Ignition Interlock Device Providers, click the image belowYou can use the search box on the top right corner of the map to narrow your location preferences using full address, ZIP code, city, or county.  For a list of Interlock Service Centers, Click Here