Tag: marijuana
Cannabis Use Among Drivers in Fatal Crashes in Washington State Before and After Legalization
This study examines marijuana involvement in fatal crashes in Washington State before and after recreational use of cannabis became legal in the state.
January 2020 Research Brief
Assessing the Feasibility of Evaluating the Legal Implications of Marijuana Per Se Statutes in the Criminal Justice System
This research assesses the feasibility of studying the effect of non-zero-tolerance per se limits for cannabis on the legal system.
April 2019 Technical Report | Report Summary
Marijuana Use in Older Drivers in Colorado: A LongROAD Study
This research brief describes marijuana use and its relationship to self-reported driving outcomes among older drivers using baseline data from the Colorado cohort of the LongROAD study.
April 2018 Research Brief
Cannabis Use Among Drivers Suspected of Driving Under the Influence or Involved in Collisions: Analysis of Washington State Patrol Data
This study examined data from drivers involved in crashes and drivers suspected of DUI in Washington state.
May 2016 Technical Report | Report Summary
An Evaluation of Data from Drivers Arrested for Driving Under the Influence in Relation to Per se Limits for Cannabis
This study examines the relationship between toxicological test results and performance on a battery of physiological and psychomotor measures used by law enforcement officers among drivers arrested for DUI.
May 2016 Technical Report | Report Summary