Drunk Driving Interlock Device – Which States Require It?

Reader’s Question:

Is there any state that doesn’t use the Interlock device? If so, is Alabama included?

James

Mobile, AL

Yes, there are some states that do not use ignition interlock devices. The National Conference of State Legislatures (NCSL) lists Connecticut, Alabama, Hawaii, Massachusetts, Vermont, South Dakota, and Wyoming as states that do not use the ignition interlock device (IID).

State statutes change though so any of these states have passed laws or may have pending legislature since this list was put together so you would have to verify with these states Departments of Motor Vehicles to verify if IIDs are currently used or not.

Most states that do have laws regarding the IID require DWI or DUI offenders to install an ignition interlock device as a condition for reinstating license or probation after being convicted of a driving under the influence of alcohol violation.

Some states only require it after an individual has been found to be a repeat intoxicated motorist meaning that a person has been convicted of a second or subsequent violation for DWI or driving under the influence (DUI).

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