Overview
Cannabis driving laws vary significantly by state, reflecting the evolving landscape of legal cannabis in the United States.
State-Specific Laws
New York: Per se limits of 5 ng/mL for THC in blood.
Medical Marijuana Patients and Driving Laws: A Comprehensive Guide
California: Zero tolerance for driving under the influence (DUI), with a limit of 5 ng/mL for THC in blood.
Marijuana is legal for recreational use in Colorado, but the limit is 5 ng/mL for THC in blood.
Penalties
Penalties for driving under the influence of cannabis can include fines, license suspension, and imprisonment.