Missouri DUI Laws Laws 2026 — Is DUI Laws Legal in Missouri?

You operate a boat, jet ski, or other watercraft on a lake or river after drinking, believing that DUI laws only apply to cars on public roads.

You cause a property damage accident while under the influence — hitting a parked car, guardrail, mailbox, or fence — with no injuries, believing the consequences will be minor since nobody was hurt.

You are involved in a collision while under the influence and flee the scene — walking away, driving off, or abandoning the vehicle — hoping to avoid DUI charges by not being present when police arrive.

You have a court-ordered ignition interlock device (IID) installed in your vehicle and attempt to circumvent it — by having someone else blow into it, using a bypass device, or disconnecting the unit.

You are licensed to drive in one state but receive a DUI in another state while traveling, believing your home state will not find out about the out-of-state conviction.

You take legally prescribed medication — such as opioids, benzodiazepines, or sleep aids — and drive, believing that because the medication was prescribed to you, it cannot result in a DUI charge.

You consume alcohol while taking a prescription medication — such as antidepressants, painkillers, or allergy medication — and drive, believing that the alcohol alone would not put you over the legal BAC limit.

You are pulled over on suspicion of DUI and decline to provide a breath, blood, or urine sample, believing refusal automatically prevents a conviction.

Your driver's license is currently suspended due to a prior DUI or refusal, and you drive anyway — to work, errands, or just around town — believing the risk of being caught is low.

You believe that because you have a high alcohol tolerance, you can drink heavily and still drive safely without exceeding the legal BAC limit or appearing impaired.