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Impaired Driving (Marijuana) Laws in Canada

Part VIII.1 of the Criminal Code / Conveyances

Consequences of Impaired Driving with Marijuana

If you have been charged with a crime in Canada, you should consult with a criminal defence lawyer in your area

Impaired Driving (Marijuana) - Glossary of Terms

Glossary of Legal Terms

Hybrid offence

Hybrid offences fall between a summary and an indictable offence. The Crown prosecutor chooses whether to treat the offence as a summary or indictable offence.

Indictable offence

Indictable offences are the most serious offences under the Criminal Code and they come with more serious punishments, up to a maximum penalty of life in prison.


One billionth of a gram. Anyone that has more than two nanograms of THC per millilitre of blood can faces charges in Canada.

Oral fluid sample

Oral fluid is a mixture of saliva and other materials found in the mouth that law enforcement officers check for indications of drug imprairment.

Summary conviction

Summary convictions are used for lesser offences with penalties, fines and short jail time. They reflect the majority of offences as defined in the Code.


Tetrahydrocannabinol (THC) is the chemical responsible for most of marijuana's psychological effects. THC can induce hallucinations, change thinking and cause delusions.

Impaired Driving (Marijuana) - Tagged With:
Tagged With: Conveyances
Impaired Driving (Marijuana) - Tagged With:
Code Citations: s.320.23 , s.320.19 , s.320.14(1)
Impaired Driving (Marijuana) - Referenced Links