Increasing the Use of Smartphone-Limiting Technology to Combat Distracted Driving
The current study aimed to understand barriers to using smartphone-limiting technologies to reduce distraction while driving and to examine ways to overcome these barriers through educational materials to improve driver awareness and knowledge of the countermeasures.
April 2025 Technical Report | Report Summary
A Randomized Field Trial of Smartphone-Based Feedback Designed to Encourage Safe Driving: Comparing Focused and Self-Chosen Goals to Standard Usage-Based Insurance Messaging
The goal of this research was to examine whether providing feedback and incentives through a smartphone app improves driver safety, and whether greater improvements are possible and sustained by assigning or allowing drivers to choose more focused goals.
April 2025 Technical Report | Report Summary
Examination of Cannabis Users’ Perceptions and Self-Reported Behaviors to Inform Messaging to Deter Impaired Driving
To address the paucity of evidence on strategies to deter driving after cannabis use, this multiphase project interviewed relevant experts and surveyed cannabis users to inform recommendations for public policy stakeholders, law enforcement, and public health professionals.
March 2025 Technical Report | Report Summary
Development and Validation of Messaging to Deter Cannabis Impaired Driving
This study interviewed cannabis users to gain a better understanding of attitudes, perceptions, and reasons for driving under the influence in order to inform the development of messages to deter cannabis impaired driving, which were then tested for perceived effectiveness.
March 2025 Technical Report | Report Summary
Cannabis Use, Public Health, and Traffic Safety: Outcomes from the Scientific Literature and Expert Opinion on the Potential Impacts of Rescheduling
This study synthesizes existing scientific evidence regarding cannabis use and decriminalization in terms of the factors used to determine drug scheduling under the Controlled Substances Act. Further, it explores expert opinion on potential impacts of cannabis rescheduling.
December 2024 Technical Report | Report Summary
2023 Traffic Safety Culture Index
The 2023 iteration of the annual Traffic Safety Culture Index describes Americans’ perceptions of, attitudes towards, and engagement in dangerous driving behaviors, and identifies profiles of risky driving.
December 2024 Technical Report | Report Summary
American Driving Survey: 2023
This research brief presents statistics on the amount of driving done by the American public in 2023 based on data from the AAA Foundation for Traffic Safety’s annual American Driving Survey.
August 2024 Research Brief
Traffic Safety Impact of the COVID-19 Pandemic: Fatal Crashes in 2020–2022
Traffic fatalities surged during the COVID-19 pandemic. This research highlights the fact that disadvantaged communities bore the brunt of the increase and calls for holistic solutions to promote equitable access to safe transportation.
July 2024 Research Brief
Drowsy Driving in Fatal Crashes, United States, 2017–2021
The contribution of drowsy driving to motor vehicle crashes is difficult to measure. This study uses data from a sample of in-depth crash investigations to develop a model to estimate the percentage of fatal crashes nationwide that involve drowsy driving.
March 2024 Research Brief
Countermeasures for Distracted Driving: An Exploration Beyond the Scientific Literature
This report presents a comprehensive review of current efforts by national, state, local, and international organizations at implementing countermeasures to address driver distraction.
February 2024 Technical Report | Report Summary