Research Articles

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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Can a Car Horn Make Cyclists More Courteous?

Can a car-horn-loud bike horn make cyclists more courteous? Research on risk compensation plus real Loud Bicycle rider stories.

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When Bikes Honk Like Cars

What a podcast interview taught me about building a car-horn-loud bicycle horn, driver reflexes, and the gap in bike infrastructure.

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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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Is a Car Horn the Best Horn For Bicycles?

Why familiar car-style horns from Loud Bicycle help drivers react faster than bells and sirens when seconds matter for people biking.

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You Are The Traffic

Why congestion always comes back, why private cars don't scale with growing cities, and what 80 years of transport research says you're really looking at when you're 'stuck in traffic'.

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The Psychoacoustics of the Two-Tone Horn

Why car horns use two notes to hack the auditory system: an analysis of spectral loudness summation, critical bands, and neural recruitment.

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