New DUI Law Alert–Ignition Interlock Device Update

The Tennessee Legislature passed several new laws that are scheduled to take effect on January 1, 2024. Very few of the new Tennessee laws impact those accused of driving under the influence (DUI). The next two blog posts will highlight these new DUI related laws.

Ignition Interlock Devices

Beginning 1/1/24, all Ignition Interlock Devices (IIDs) must employ GPS technology that will geotag the vehicle’s location when the following occurs:

  • The driver performs the initial startup test on the IID
  • The driver is required to randomly retest
  • The driver skips a test required by the ignition interlock device
  • A circumvention of the ignition interlock device is detected

The law does require, however, that the GPS not continuously track the location of the vehicle.

Should you have any questions relating to a DUI arrest in Tennessee or about the requirements under Tennessee DUI laws, the lawyers at Oberman & Rice are available to speak with you at (865) 249-7200. You may learn more about Tennessee Driving Under the Influence laws by visiting

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