Aims To determine whether and to what extent acute cannabis intoxication increases motor
vehicle crash risk. Design Study 1 replicates two published meta‐analyses, correcting for …

Introduction This research aims to estimate the relative risks of responsibility for a fatal
accident linked to driving under the influence of cannabis or alcohol, the prevalence of these …

Abstract Purpose of Review Injury data is frequently captured in registries that form a census
of 100% of known cases that meet specified inclusion criteria. These data are routinely used …

Purpose To assess individual and joint effects of alcohol and marijuana on the initiation of
fatal two-vehicle crashes. Methods Data on 14,742 culpable drivers (initiators) and 14,742 …

Introduction: Responsibility analysis allows the evaluation of crash risk factors from crash
data only, but requires a reliable responsibility assessment. The aim of the present study is …

Importance Opioids can impair motor skills and may affect the ability to drive; however, the
association of opioid use with driving ability is not well established. Objective To examine …

Background Physicians are often asked to counsel patients about driving safety after
syncope, yet little empirical data guides such advice. Methods We identified a population …

Limited studies have investigated the effects of cannabis use on driving among older adults,
who represent the fastest growing segment of drivers globally. We conducted a systematic …

BACKGROUND: Road accidents are the leading type of work-related fatalities, but the
impact of work-related travel on overall traffic safety has been scarcely studied. OBJECTIVE …

Introduction Previous studies on the effect of prescription medications on MVCs are sparse,
not readily applicable to real-world driving and/or subject to strong selection bias. This study …