Research

A Multi-Method Approach to Understanding Drivers’ Experiences and Behavior Under Partial Vehicle Automation
This study used three different approaches—experimental, naturalistic, and survey—to investigate how drivers interact with and adapt to vehicle automation systems in real-world scenarios over an extended period of time.
September 2023 Technical Report | Report Summary

Measuring and Predicting Drivers’ Takeover Readiness and Supporting Takeover Transitions in Automated Driving
This report highlights two studies aimed at facilitating takeover transitions in Level 3 automation, including an examination of factors predictive of driver takeover readiness as well as a gaze guidance system that supports attention during control takeovers.
September 2023 Technical Report | Report Summary

American Driving Survey: 2022
This research brief presents statistics on the amount of driving done by the American public in 2022 based on data from the AAA Foundation for Traffic Safety’s annual American Driving Survey.
September 2023 Research Brief

Examining the Safety Benefits of Partial Vehicle Automation Technologies in an Uncertain Future
Advanced driver assistance systems will prevent crashes and save lives. However, many factors will influence the size of the benefits and how quickly they accrue. This report estimates how many crashes, injuries, and deaths these systems will prevent over the next 30 years.
August 2023 Technical Report | Report Summary

Human-Machine Interfaces and Vehicle Automation: The Effect of HMI Design on Driver Performance and Behavior
The purpose of this study was to examine driver responses to two different human-machine interfaces, which consisted of different auditory and visual warning messages and timing, designed for different automated driving levels and scenarios.
July 2023 Technical Report | Report Summary

A Multi-Site Examination for the Impact of Changes in Posted Speed Limit on Traffic Safety
This study examined the effects of posted speed limit changes on traffic safety by conducting before-and-after assessments using crash and speed data from multiple sites.
July 2023 Research Brief

Change in Mental Models of ADAS in Relation to Quantity and Quality of Exposure
This longitudinal driving simulator study assesses how exposure to different amounts and types of edge-case events influence the development and accuracy of drivers’ understanding of vehicle automation.
June 2023 Technical Report | Report Summary

Perceptions and Attitudes Towards Automated Vehicles, United States, 2021: Examining the Alignment Between Preferences for Adoption and Perceived Safety
This study examined how well people’s attitudes regarding automated vehicles adoption were aligned with their perceptions of the safety of driving or riding in automated vehicles.
May 2023 Research Brief

Strategies to Educate the Public and Correct Misunderstandings About Cannabis Use and Impaired Driving
with the University of California, San Diego
Project Synopsis