vehicle keys

Vulnerable Road Users

Objective Driving Data in the LongROAD Study: An Overview of Changes to Data Collection Procedures from a Datalogger to a Travel App

This research brief describes changes to the procedures for collection of objective driving data in the Longitudinal Research on Aging Drivers (LongROAD) Study.

September 2021 // Research Brief

A picture of a truck on the road

Driver Behavior & Performance

Travel in the United States Before and During the COVID-19 Pandemic

This research brief aims to quantify month-to-month changes in average daily travel from July 2019 through December 2020 using data from the AAA Foundation for Traffic Safety’s New American Driving Survey.

July 2021 // Research Brief

The Impact of Driver’s Mental Models of Advanced Vehicle Technologies on Safety andThe Impact of Driver’s Mental Models of Advanced Vehicle Technologies on Safety and Performance Performance

Emerging Technologies

Expectations and Understanding of Advanced Driver Assistance Systems among Drivers, Pedestrians, Bicyclists, and Public Transit Riders

The current study examines the perceptions, understanding and expectations of other road users (bicyclists, pedestrians, transit riders) regarding current advanced driver assistance systems (ADAS), as well as more highly automated future technologies.

June 2021 // Technical Report // Fact Sheet

A picture of cars in traffic

Driver Behavior & Performance

New American Driving Survey: Updated Methodology and Results from July 2019 to June 2020

The New American Driving Survey collects and examines national-level data on the driving habits and patterns of the American public, in response to the need for driving exposure information in quantifying traffic risks.

April 2021 // Technical Report // Fact Sheet

Emerging Technologies

Users’ Trust in and Concerns about Automated Driving Systems

This brief examines people’s trust and potential adoption of automated vehicles (AVs). It also assesses how people’s concerns about different levels of AVs differ in relation to their degree of trust in AVs to prevent crashes.

April 2021 // Research Brief

A picture of an exit ramp off a highway

Driver Behavior & Performance

Fatal Wrong-Way Crashes on Divided Highways

This brief explores fatal wrong-way crashes and factors associated with these incidents.

March 2021 // Research Brief

Woman taking pills in car

Driver Behavior & Performance

A Pilot Sentinel Surveillance System for Drug Use by Drivers in Crashes—Lessons Learned and Recommendations

This research brief describes the pilot testing, related lessons learned, and barriers encountered in the development and implementation of a sentinel surveillance system for drug use by drivers in crashes.

March 2021 // Research Brief // Guidebook

The Impact of Driver’s Mental Models of Advanced Vehicle Technologies on Safety andThe Impact of Driver’s Mental Models of Advanced Vehicle Technologies on Safety and Performance Performance

Emerging Technologies

Driver’s Mental Models of Advanced Vehicle Technologies: A Proposed Framework for Identifying and Predicting Operator Errors

This project proposes a framework for identifying and predicting operator errors when using advanced vehicle technology, such as active driving assistance systems. This research also examined the reporting of system limitations by automobile manufacturers.

February 2021 // Technical Report // Fact Sheet

A car driving at high speeds

Roadway Systems & Drivers

Impact of Speeds on Drivers and Vehicles – Results from Crash Tests

This study examines how vehicle crashworthiness and occupant protection degrade as impact speeds increase. The results and implications in this report provide valuable information for those who advocate for safety considerations when setting maximum posted speed limits.

January 2021 // Technical Report // Fact Sheet

Vulnerable Road Users

Identifying Policy Approaches to Extending the Safe Mobility of Older Adults

The objective of this project was to examine effective policies and practices in driver licensing of older and medically at-risk drivers and offer practical guidance to driver licensing officials and policymakers.

January 2021 // Technical Report // Fact Sheet