Code of Iowa Section 321J.2
Type of DUID Law: Under the Influence / Zero tolerance
Section 321J.2 1. A person commits the offense of operating while intoxicated if the person operates a motor vehicle in this state in any of the following conditions:
(a) While under the influence of an alcoholic beverage or other drug or a combination of such substances. …
(b) While any amount of a controlled substance is present in the person, as measured in the person’s blood or urine
Type of Drugs Prohibited: Any drug or controlled substance
Marijuana use in vehicle
- Iowa does not allow the recreational or medicinal use of marijuana
Reference: Drugged Driving: 2016 Summary of Key Provisions of State Laws