Are Emergency Vehicle Operators Driving Distracted?
Most of us feel a sense of relief when we see an ambulance or patrol car racing through an intersection. We picture trained professionals, fully alert and focused, rushing to…
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What Happens When Drivers Swerve? Age, Distraction, and the Science of Emergency Steering
What Happens When Drivers Swerve? Age, Distraction, and the Science of Emergency Steering
Many drivers have felt that jolt of adrenaline when something suddenly appears in the road. One second, everything feels fine, and the next, your heart is in your throat. Maybe…
Training That Sticks: How One Hour of Hazard Anticipation Improves Teen Driving for Months
Training That Sticks: How One Hour of Hazard Anticipation Improves Teen Driving for Months
For most teens, getting a license is a big milestone. But it also marks the start of one of the riskiest times in their lives. Newly licensed drivers face a…
Can Drivers Really Miss Lights in the Road at Night?
Can Drivers Really Miss Lights in the Road at Night?
Most people assume that if there’s a light on the road at night, a driver will see it and react. After all, cars are equipped with powerful headlights and (in…
Simulating Faded Reflective Tape: A New Way to Make Night Driving Safer
Simulating Faded Reflective Tape: A New Way to Make Night Driving Safer
Think about the last time you passed a tractor-trailer at night. Chances are, you didn’t notice the red and white stripes running down its side. You just trusted they’d be…
Retroreflective Tape Isn’t Forever: Why Trailer Visibility Needs a Maintenance Standard
Retroreflective Tape Isn’t Forever: Why Trailer Visibility Needs a Maintenance Standard
Retroreflective tape is the red and white striping on trailers that glows under headlights at night. Simple as it seems, it’s one of the most effective safety features ever added…
How Fast Do Drivers React to Side Road Intrusions? Real-World Data Tells Us
How Fast Do Drivers React to Side Road Intrusions? Real-World Data Tells Us
Most drivers think they’ll hit the brakes in time during an emergency. But in real life, things don’t happen in slow motion. When a car suddenly appears from a side…
When Vehicles Cut You Off: What the Data Tells Us About Driver Reaction Time
When Vehicles Cut You Off: What the Data Tells Us About Driver Reaction Time
Few things spike your pulse faster than a car cutting into your lane with no warning. You’re forced to slam on the brakes, swerve, or both, sometimes with barely a…
Why High-Speed Rear-End Crashes Are Deadlier (and More Complex) Than You Think
Why High-Speed Rear-End Crashes Are Deadlier (and More Complex) Than You Think
When most people think of a rear-end crash, they picture a routine traffic incident, like a car tapping another at a stoplight or in slow-moving congestion. These low-speed collisions happen…
When Dim Lights Deceive: How Taillight Brightness Affects Driver Perception
When Dim Lights Deceive: How Taillight Brightness Affects Driver Perception
A car is driving at night, following another vehicle. The driver can see the taillights ahead, and everything seems fine. But suddenly, they crash into the car in front. Later,…
Lights Can Play Tricks: How Taillights’s Width Affect Driver Perception
Lights Can Play Tricks: How Taillights’s Width Affect Driver Perception
Driving at night is risky for many reasons, including fatigue, speeding, or distraction. So, when a driver rear-ends another vehicle in the dark, it’s easy to assume one of those…
Why Driver Response Time Should Always Be Measured Scientifically
Why Driver Response Time Should Always Be Measured Scientifically
One of the most important questions in a traffic collision investigation is: “Did the driver respond in time?” In many crashes, the outcome hinges on how quickly a driver noticed…
When Left Turns Go Wrong: What Real Driving Data Reveals About Dangerous Cross-Path Crashes
When Left Turns Go Wrong: What Real Driving Data Reveals About Dangerous Cross-Path Crashes
Left-turn crashes are among the most frequent and dangerous types of collisions on U.S. roads, especially when a driver turns across the path of an oncoming vehicle. Known formally as…
How Human Factors Research Shapes Accident Reconstruction
How Human Factors Research Shapes Accident Reconstruction
A driver sees brake lights ahead. Their foot hovers over the pedal. A fraction of a second passes — just long enough for metal to meet metal. In that brief…
I Changed the Headlights on My 10-Year-Old Car
I Changed the Headlights on My 10-Year-Old Car
Article by Swaroop Dinakar, Managing Scientist at Driver Research Institute. Last weekend I found myself in the unfortunate situation of having the right headlight malfunction on my car. Having handled…
Understanding ResponseⓇ and Its Role in Driver Behavior Research
Understanding ResponseⓇ and Its Role in Driver Behavior Research
What Is ResponseⓇ? Response is a research tool designed to analyze driver, rider, and pedestrian behavior in various traffic situations. Originally developed as a simple spreadsheet for human factors courses,…
What is the Role of a Human Factors Expert in Driver Safety and Accident Analysis?
What is the Role of a Human Factors Expert in Driver Safety and Accident Analysis?
Human factors is the study of how people interact with their environment. It looks at how humans process information, make decisions, and respond to various situations. When it comes to…
What is Perception Response Time (PRT)? Understanding Driver Reactions
What is Perception Response Time (PRT)? Understanding Driver Reactions
Perception Response Time (PRT) is how long it takes for a driver to notice a hazard and start reacting. It’s often confused with reaction time, but they’re not the same…
