Vulnerable Road Users

Predictors of Rapid Deceleration Events among Older Drivers: AAA LongROAD Study

This brief examines the relationship between hard braking events (known as rapid deceleration events (RDEs)) and safety-related outcome measures such as near crashes and declining functional abilities.

February 2020 // Research Brief PDF

Vulnerable Road Users

Perceived Social Support Differences between Male and Female Older Adults who have Reduced Driving: AAA LongROAD Study

The research in this brief examines perceived social support among older drivers who have recently reduced their driving.

February 2020 // Research Brief PDF

Driver Behavior & Performance

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

Driver Behavior & Performance

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

Driver Behavior & Performance

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

Emerging Technologies

Understanding the Impact of Technology: Do Advanced Driver Assistance and Semi-Automated Vehicle Systems Lead to Improper Driving Behavior?

This research examines driver behavior when driving vehicles equipped with advanced driver assistance systems (ADAS), such as adaptive cruise control or lane-keep assist. Information regarding driver behaviors was drawn from two naturalistic driving studies.

December 2019 // Full Report PDF // Fact Sheet PDF

Emerging Technologies

Users’ Understanding of Automated Vehicles and Perception to Improve Traffic Safety –Results from a National Survey

This study examines people’s perceptions and expectations of automated vehicle (AV) technologies. While there is a relatively large volume of literature studying people’s perceptions of AVs, there has been limited attention paid to the source of their distrust and discomfort.

December 2019 // Research Brief PDF

Driver Behavior & Performance

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

Vulnerable Road Users

The Role of Driving Comfort in Self-Regulation among a Large Cohort of Older Drivers: AAA LongROAD Study

This research brief examines the direct effects of driving comfort on self-regulation and the role of driving comfort combined with age, sex, and perceived abilities in predicting four of the most common self-regulatory driving situations.

November 2019 // Research Brief PDF

Vulnerable Road Users

The Effect of Extending Graduated Driver Licensing to Older Novice Drivers in Indiana

In 2015, Indiana extended its Graduated Driver Licensing system, previously only applicable to new drivers younger than 18, to all new drivers under age 21. This study examines the crash rates of new Indiana drivers first licensed at ages 18-20 before and after that change.

October 2019 // Full Report PDF // Fact Sheet PDF