Ignition Interlock Device (IID) in Wyoming

Wyoming uses the term "DUI" for impaired driving offenses. IID requirement: required for all dui offenses. First offense scope: 6 months. Confirm your actual notice and license status.

Last updated: 2026-09-07

Required for all DUI offenses

Quick Answer

Wyoming requires IID for all DUI convictions, including first offenses, as a condition of probation or restricted driving privileges.

IID Duration by Offense

Offense	IID Duration
1st Offense	6 months
2nd Offense	1 year
3rd Offense	2 years
4th+ Offense	Court-determined (typically 2+ years)

BAC threshold: Any DUI conviction (no BAC threshold — all offenders)

Confirm the device, provider and written quote

Check the responsible authority’s current approval information for the particular device and installer. Request the billing unit, included services, actual paid visit schedule, taxes, fees and removal terms in writing. Confirm financial assistance separately.

Add your own quoted charges in the IID worksheet. Unknown charges stay unknown; no local price or appointment count is assumed.

Restricted License with IID

Available

Wyoming allows a restricted license with IID for essential driving.

Tampering / Circumvention Penalties

Tampering with an IID in Wyoming carries fines and extension of the IID requirement.

Early Removal

Wyoming does not allow early removal.

Wyoming-Specific Notes

Wyoming requires IID for all offenders. Service center access may be limited in rural parts of the state.

Frequently Asked Questions

Is an IID required for a first DUI in Wyoming?

Yes. Wyoming requires IID for all DUI convictions, including first offenses, for 6 months.

How long do I need an IID in Wyoming?

First offense: 6 months. Second: 1 year. Third: 2 years. Fourth or more: court-determined.

How much does an IID cost in Wyoming?

Get a written quote for your vehicle and program. Confirm the billing period, included service, separately paid visits, taxes, state/program fees and removal charges. Verify any financial assistance before assuming a discount. A generic state price range is not your quote.

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Disclaimer: This is informational only, not legal advice. IID requirements, costs, and approved providers change frequently. Verify current requirements with the Wyoming DMV, your IID provider, or a qualified DUI attorney in Wyoming.

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Sources

NHTSA: interlock device and program background. This national reference does not verify every state rule above. Confirm the applicable law and current instructions with the authority named on your order or licensing notice.