Safety

Age-Related Changes in Driver Attention

As populations age, understanding how attention, vision, and hearing change behind the wheel can help design safer roads, vehicles, and alerts for drivers of all ages.

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Use of auditory icons as emergency warnings in real cars and simulated worlds

What happens when you replace generic beeps with horn and tyre sounds in collision warnings, and what that tells us about safer in-vehicle alerts.

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Big Cars, Small Freedom

How oversized SUVs and pickup trucks are sabotaging walkable cities, safety, and climate — and why we need to deflate the big-car arms race.

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Bike Horn User Interfaces: Taps, Presses, and Toggles

How modern bike horns use taps, presses, and directional gestures to give riders both polite bells and emergency car-level warnings.

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Bike Theft by the Numbers: Which US Cities Are Worst and Why

Bike theft in the US is a multi-billion-dollar problem concentrated in a handful of states and cities; this data-driven guide explains where theft is worst, why it clusters there, and what actually reduces the risk for everyday riders.

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Beyond Home and Work: Bikes, Third Places, and Social Health Across the Lifespan

How walking, cycling, and people-first streets can cut loneliness and rebuild social health from childhood through older age in car-centric societies.

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Biking in Cold Weather

How to bike safely and comfortably in cold weather with the right winter gear, visibility, and mindset.

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The Importance of Covering Your Eyes When Biking

Why cyclists should treat eye protection as essential safety gear, from debris and UV to glare, reaction time, and long-term vision health.

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Cycling and Mental Health: How Two Wheels Protect Your Mind

How everyday cycling reduces depression, anxiety, and stress—and how small safety upgrades like lights and loud horns help more people ride.

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Cycling for Environmental Health: Air Quality, Noise, and Population-Level Benefits

How shifting everyday trips from cars to bikes cuts air pollution, reduces harmful noise, and delivers outsized population-level health benefits.

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E Bike Battery Fires Separating Hype From Real Risk

Are e-bike battery fires common? A data-driven look at how often they happen, what causes them, and simple steps riders can take to stay safe.

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It's Not the E-Bikes. It's the Electric Motorcycles in the Bike Lane.

Why scary ‘e-bike’ crashes are usually electric motorcycles in disguise—and how enforcing existing class rules can fix the problem without banning real e-bikes.

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Your Lizard Brain on Loud Horns: Why Sound Beats Sight in Traffic Emergencies

How human hearing reacts faster than vision, how loud warning sounds tap into fight-or-flight circuits, and what this means for safe car and bicycle horn design.

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Cycling for Physical Health: Turning Everyday Trips into Exercise

How everyday cycling improves heart, metabolic, and musculoskeletal health—and how simple safety upgrades like lights and car-horn-loud bicycle horns make it easier to ride consistently.

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The Infrastructure That Brings Women Back to Bikes

Women aren’t ‘less into cycling’—they’re less into getting hit by cars. Here’s the street design that reliably closes the gender gap in biking.

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Growing Up on Two Wheels: How Independent Mobility Builds Healthier, Happier Kids and Teens

Evidence from Amsterdam, the Netherlands, and beyond shows that kids who walk and cycle independently gain physical, cognitive, and mental health benefits that last into adulthood.

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Loud Cities, Quiet Streets

Urban noise pollution comes overwhelmingly from cars, not cities themselves—and we already know how to design quieter, healthier streets.

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Staying Upright, Staying Independent: How Everyday Mobility Protects Health in Older Age

From walking speed to bicycle trips to the shops, everyday mobility is one of the strongest predictors of health, independence, and quality of life in older adults.

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The Right Hook: Why Protected Lanes Still Kill at Intersections

Protected bike lanes save lives mid-block, but many serious crashes still happen at intersections. Here’s why right hooks remain deadly—and how better design plus tools like Loud Bicycle horns can help.

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Sex Differences in Driver Risk and Behavior

What the evidence actually shows about male and female drivers: exposure, risk-taking, crash rates, injury vulnerability, and how much of the gap is culture versus biology.

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The Fastest Way Around Boston: Bikes vs the T from Cleveland Circle

Using travel-time maps from Cleveland Circle, we compare cycling and the MBTA to see which is really faster for getting around Boston.

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Traffic Calming Saves Lives

How traffic-calming implementations in the US have contributed to pedestrian safety.

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How Your Ears Pinpoint Danger in Traffic When Hearing a Car Horn

A deep dive into how the brain localizes sound, why broadband and familiar horn timbres work best, and what this means for safer streets.

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Why Women in the US Don't Bike as Much as Men

In Utrecht, women ride bikes as much as, or more than men. But in Chicago, men dominate the bike lanes. The difference isn’t culture or biology; it’s how the streets are built.

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Why Your Eyes Lie to You Behind the Wheel

Drivers think they ‘look’ but don’t see. Here’s how human vision fails people on bikes—and why a car-like horn can pierce that blindness.

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