Research
Uncovering the Spillover Effect from Posted Speed Limit Changes: A Tool to Examine Potential Safety Concerns
This research employed a systematic exploration of the literature and spatial analysis to uncover speed-related crashes on roadways adjacent to Interstate highways with newly increased posted speed limits.
April 2024 Technical Report | Report Summary
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
AAA Longitudinal Research on Aging Drivers (LongROAD) Data User Guide
This document serves as the data user guide for the 5-year multi-site AAA LongROAD prospective cohort study of 2,990 drivers aged 65–79 at baseline.
January 2024 Technical Report
Roadside Assistance Providers Fatally Struck by Vehicles at the Roadside: Incidence and Characteristics
Roadside assistance providers risk their own safety to help stranded motorists. This report examines crashes in which roadside assistance providers were struck and killed by vehicles, to inform efforts to protect them.
January 2024 Technical Report | Report Summary
Examining Equity in Traffic Safety: A National Perspective and Case Studies in Several States
Project Synopsis
2022 Traffic Safety Culture Index
The 2022 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.
November 2023 Technical Report | Report Summary
A Safe System Guide for Transportation: Sharing this Approach to Lead Your Community to Action
This document presents recommendations for framing Safe System interventions to facilitate public acceptance and support.
November 2023 Technical Report | Report Summary