The role of cannabis in traffic accident casualty is still unknown. That it is often detected in crash-involved drivers could either indicate a causal role or simply reflect the fact that it is the most used illicit drug. This book contains a comprehensive literature review concerning many aspects of cannabis, including its effects on driving performance and traffic safety. It continues with a description of one laboratory and three actual driving studies that progressively approached reality. These were conducted on a closed section of a primary highway, on a primary highway in the presence of other traffic, and in urban traffic. Together, they answer the questions addressed by the book: does cannabis impair driving performance, and if so, how much in comparison with other psychoactive drugs. (A)
Samenvatting