Perspectives

Solving complex Challenges with Data-Driven Research

Case Studies

An aerial view of a complex freeway interchange with numerous overpasses, ramps, and lanes filled with cars, trucks, and buses during daylight.

National Roadside Study of Alcohol and Other Drug Prevalence

Jenna Darrah & Jason Jefferies

Close-up of a person's hand pressing a button on a car's steering wheel, with cruise control buttons labeled 'ON,' 'OFF/CAN,' 'SET/,' and a speedometer icon.

Level 2 Vehicle Automation Naturalistic Driving Study

Emily Brunsen & Jason Jefferies

A person in a wheelchair loading onto a vehicle equipped for accessibility, with a yellow handrail and open doors.

Adapting Motor Vehicles for People with Disabilities

Alan Mintz & Jason Jefferies

Emergency medical personnel in orange and red uniforms loading a patient into an ambulance under an overpass at night

Drug Prevalence Among Seriously Injured Road Users

Dennis Thomas & Jason Jefferies

An elderly woman with gray hair and glasses driving a car on a tree-lined road.

Older Novice Driver Naturalistic Driving Study

Timothy Wright & Jason Jefferies

Pedestrian crossing signal with a walking person symbol, showing a green walk sign in the city.

Pedestrian Hit and Run Analysis

Dylan Hewitt & Jason Jefferies

School bus stopped at an intersection with a stop sign, with cars waiting behind.

School Bus Passing Countermeasures

Adam Smith & Jason Jefferies

Person in a yellow sweater holding a smartphone with the driver steering wheel in a vehicle.

Telematics Technology and Distracted Driving

Mikey Pritchard & Jason Jefferies

Post-Crash Care Countermeasures Guide

Jason Jefferies & Dylan Hewitt

Low-Cost Pedestrian Safety Zone Study

Yiting Liu & Jason Jefferies

Low-Cost Pedestrian Safety Zone Study

Richard Blomberg, Timothy Wright & Jason Jefferies