Delaware DUI: Ignition Interlock

Last reviewed: 2026-07-30

IID program converts most revocations into IID-restricted driving after a short hard period; mandatory for higher-BAC and repeat offenders.

By offense

• First offense: IID required — IID license is the standard route through revocation.
• Second offense: IID required
• Third offense: IID required

Statute: 21 Del. C. § 4177C–G