Wyoming Ignition Interlock Requirements

• 31-5-233; §31-6-102

For a first conviction where the conviction is based on the person having BAC of 0.15 or more, operate only vehicles equipped with an ignition interlock device for a period of 6 months from the date of conviction;

For a second conviction, operate only vehicles equipped with an ignition interlock device, for a period of 1 year from the date of conviction;

For a third conviction, operate only vehicles equipped with an ignition interlock device, , for a period of 2 years from the date of conviction;

For a fourth or subsequent conviction, operate only vehicles equipped with an ignition interlock device, for the remainder of the offender’s life, except 5 years from the date of conviction and every 5 years thereafter, the offender may apply to the court for removal of the ignition interlock device required by this paragraph. The court may, for good cause shown, remove the ignition interlock device requirement if the offender has not been subsequently convicted of driving a motor vehicle in violation of this section or other law prohibiting driving while under the influence.

If a person fails to submit to all required chemical tests requested by the peace officer shall result in the suspension of his Wyoming driver’s license or his privilege to operate a motor vehicle for a period of 6 months for a first offense or 18 months for a second or subsequent offense and he may be required to drive only vehicles equipped with an ignition interlock device.

Exemption: Employer.

Source: National Conference of State Legislatures, 2014

Since July 1, 2009, interlocks are required for all refusals, repeat and first-time convicted drunk drivers with a BAC of .15 or greater. As of August 2016, there were 1,234 interlocks installed in Wyoming.*

Source: MADD