Research
The Safety Impact of Road Debris: Updated Prevalences of Crashes, Injuries, and Deaths in the United States, 2018–2023
Road debris contributes to many crashes each year. This research estimates the numbers of crashes, injuries, and deaths attributable to road debris, identifies the most common types and sources of debris, and provides insights into prevention and mitigation strategies.
November 2025 Research Brief
Summary of LongROAD Research on Older Drivers from the AAA Foundation for Traffic Safety: 2017–2025
This brief provides a summation of the 24 AAA LongROAD research briefs published to date, which investigated different aspects of participants’ driving habits and safety. The brief concludes with a list of actionable recommendations gleaned from the existing body of work.
October 2025 Research Brief
Slow Down, Move Over Laws: Investigating Factors Influencing Drivers’ Behavior and Compliance
Stranded motorists and the emergency responders who help them face significant risks at the roadside. Slow Down, Move Over laws seek to protect them. This research seeks to identify ways to promote safer driving behaviors and compliance with these laws.
October 2025 Technical Report | Report Summary
Social and Infrastructure Factors Shaping Road Safety: A Multi-Level Analysis of Crashes in Ohio, Texas, and Washington
This study examined social and infrastructure factors to recommend strategies for improving traffic safety using Ohio, Texas and Washington as case studies.
October 2025 Technical Report | Report Summary
Examining Traffic Safety across Communities: A National Perspective and Case Studies in Arizona, Maryland, North Carolina, and Oregon
This project identifies factors contributing to inequities in traffic safety and provides practical recommendations to mitigate disparities where they exist and improve traffic safety across communities.
October 2025 Technical Report | Report Summary
Aggressive Driving and Road Rage
This report explores drivers’ experiences of aggressive driving and road rage conveyed in focus group discussions and provides data on the prevalence of self-reported aggressive driving and road rage behaviors based on a survey of a representative sample of U.S. drivers.
September 2025 Technical Report | Report Summary
Driving with Partial Driving Automation Systems: Developing Effective Training that Drivers Will Use
Technologies that partially automate some aspects of driving are becoming more common, but most drivers receive little if any training about them. This project sought to determine how to maximize the likelihood that drivers would engage with training about these technologies.
May 2025 Technical Report | Report Summary