This document provides an overview of drug use and impaired driving laws in Canada. It describes the Narcotic Control Act and Food and Drug Act, which criminalize possession and trafficking of narcotics and classify controlled and restricted drugs. Offences related to possession, trafficking, importing/exporting are outlined. The document also discusses impaired driving laws and offences for driving while ability is impaired or over the legal blood alcohol limit. It provides statistics on impaired driving in Canada and describes procedures for roadside screening tests and breathalyzer tests. Penalties at both the provincial and federal level for impaired driving convictions are also summarized.