Recent Delaware DUI Law Changes
What changed, when it took effect, and who it affects.
Signed February 25, 2020
Ignition interlock loophole closed (HB 152, Chapter 235)
Closed a loophole that let some DUI offenders avoid installing an ignition interlock. It also set out how to get your license back after being removed from the interlock program.
Official sources
- Delaware Code Title 21 — Motor Vehicles (full title PDF)
- Delaware DMV — Driver Improvement FAQs
- Delaware DMV — Administrative Hearing Request
- Delaware DMV — Form MV533 Request for Administrative Hearing
- Delaware DMV — Driver Improvement: Revocation
- Delaware DMV — Ignition Interlock
- Delaware DMV — Underage Drinking Law (§4177L)
- Delaware DMV — CDL Manual
- Delaware General Assembly — HB 320
- Delaware General Assembly — Session Laws Chapter 167
- Delaware General Assembly — Session Laws Chapter 235
- Delaware SENTAC Benchbook 2025
- Delaware Courts — A Guide to Expungement of Adult Record
- Delaware General Assembly — SS 1 for SB 37 (expungement)
- Delaware Courts — Court of Common Pleas Jurisdiction
- Delaware Courts — Court of Common Pleas DUI Treatment Court Participant Handbook
- Delaware General Assembly — HB 207 (misdemeanor DUI trials in Court of Common Pleas)
- Delaware Register of Regulations — DHSS, February 2022 (DERP fees)
- Delaware Courts — Court of Common Pleas Locations
- Delaware Courts — Court of Common Pleas, New Castle County
- Delaware Courts — Court of Common Pleas, Kent County
Educational information, not legal advice. Delaware law changes and every case is different. Confirm deadlines with Delaware Division of Motor Vehicles (Revocation Section, 302.744.2508) and talk to a licensed Delaware attorney about your situation.
Some details on this page are still being verified against official sources. Check the linked sources before relying on a specific number or deadline.
Last reviewed October 1, 2026.