Drug-Impaired Driving Laws: Iowa

DUID Zero Tolerance or Per se Laws for Some Drugs

  • Zero tolerance for some drugs

Marijuana-Specific Laws

  • Possession and Use: Illegal
  • Impaired Driving: Zero tolerance for THC
State
Iowa
Issue
Drug Impaired Driving
Determinations
DUID Zero Tolerance or Per se Laws for Some Drugs

Zero tolerance for some drugs

Marijuana Possession and Use

Illegal

Marijuana Impaired Driving

Zero tolerance for THC