Drug-Impaired Driving Laws: Washington

DUID Zero Tolerance or Per se Laws for Some Drugs

  • Per se >0 for some drugs

Marijuana-Specific Laws

  • Possession and Use: Decriminalized and legal for recreational and medical use
  • Impaired Driving: THC per se (5 ng)
State
Washington
Issue
Drug Impaired Driving
Determinations
DUID Zero Tolerance or Per se Laws for Some Drugs

Per se >0 for some drugs

Marijuana Possession and Use

Decriminalized and legal for recreational and medical use

Marijuana Impaired Driving

THC per se (5 ng)