man driving - Missouri ignition interlock device

Missouri Ignition Interlock Device FAQs

As of 1996, Missouri has been implementing what is known as the Ignition Interlock Law. This law requires that all second-time DWI offenders in Missouri fix an Ignition Interlock Device (IID) to any vehicle they are operating. Although this law has been effective for almost 23 years many people still have many questions about how this law and how the …