Missouri Ignition Interlock Information

In the state of Missouri, an ignition interlock device (IID) may be required for all alcohol-related Driving While Intoxicated (DWI) convictions. The offender is responsible for all costs associated with the IID.

In the case of a first offense DWI in Missouri, the offender’s license will be suspended for 90 days. The offender may be required to install an IID if ordered by the court. After 30 days of suspension, the offender may be eligible for a 60 day Restricted Driving Privilege (RDP) that enable them to drive for employment and important matters. The offender must provide proof of SR-22 filing and can request this privilege at the DOT.

In the case of a second offense DWI in Missouri, the offender’s license will be suspended for one year. The offender may be able to regain their Limited Driving Privilege (LDP) with the installation of an IID. To apply for a LDP, the offender must first serve 30 days of the license suspension, complete and submit an Application for Limited Driving Privilege (Form 4595), provide proof of SR-22 insurance to the Department of Revenue and install an IID with proof of installation on any vehicle operated.

The application will be reviewed and an order granting or denying an LDP will be sent via mail.

In the case of a third or subsequent offense DWI in Missouri, the offender’s license will be subject to a ten year denial. The offender must petition the circuit court for a LDP and submit Substance Abuse Traffic Offender Program (SATOP) completion form or comparable program, pay a $45 reinstatement fee to Missouri Department of Revenue, proof of SR-22 insurance which must be maintained for two years from the date the suspension began and install an IID with proof of installation on any vehicle operated for six months.

Additional resources in Missouri can be found here:

Limited Driving Privilege (LDP)

Reinstatement Requirements

Each case may vary depending on the details of your offense or court order. If you have questions, do not hesitate to give us a call at (877) 275-3974.

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