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 PDF
Data Necessary to Develop a Sentinel Surveillance System for Drug Use by Drivers in Crashes: A Review of the Existing Landscape
This research brief examines the ways to develop a sentinel surveillance system.
December 2019 // Research Brief PDF
Enhancing Drugged Driving Data: State-Level Recommendations
This report presents the results of state-by-state analysis identifying the specific legislative, regulatory and/or resource changes required for states to align with recommended policies and practices.
December 2019 // Full Report PDF // Fact Sheet PDF
Effectiveness of Distracted Driving Countermeasures: A Review of the Literature
This research brief reviews the current scientific evidence concerning the effectiveness of existing and emerging countermeasures against distracted driving.
November 2019 // Research Brief PDF
Detection Windows for Drugs in Oral Fluid: Cannabinoids, Stimulants, and Opioids
The objective of this research brief is to assess the literature on oral fluid detection times to address how long after a person uses a drug it can be detected in oral fluid, and what factors may influence detection times.
July 2019 // Research Brief PDF
2018 Traffic Safety Culture Index
This annual Traffic Safety Culture Index (TSCI), a nationally representative survey, has been conducted to identify and assess key indicators regarding American drivers’ attitudes toward and behaviors regarding traffic safety, since 2008.
June 2019 // Full Report PDF // Fact Sheet PDF
Drug Evaluation and Classification: Review of the Program and Opportunities for Enhancement
The purpose of this project was to identify areas where potential modifications could be implemented to enhance the efficiency and effectiveness of the Drug Evaluation and Classification Program.
May 2019 // Full Report PDF // Fact Sheet PDF
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 // Full Report PDF // Fact Sheet PDF
American Driving Survey, 2014 – 2017
The American Driving Survey collects and analyzes data related to driving patterns of the public in the United States. This brief summarized the results based on data collected from 2016 through 2017 compared to those collected from 2014 through 2015.
February 2019 // Research Brief PDF
Countermeasures Against Prescription and Over-the-Counter Drug-Impaired Driving
This report describes prescription and over-the-counter countermeasures related to pharmacy and medical; data recording and toxicology; law enforcement and judicial; and education and advertising.
October 2018 // Full Report PDF // Fact Sheet PDF