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The Senseless Ambiguity of North American Turn Signals

Technology Connections · explainer · Watch on YouTube

Cars, EVs & motorcyclesLaw, policing & justiceProduct & industrial design

What it is

Technology Connections explains why North American tail light rules, which allow red turn signals and flashing brake lights, make signals ambiguous. He argues for amber signals and cites studies showing a safety benefit.

Why Hacker News recommends it

HN points to it as the informative explanation of US turn signal quirks whenever signal design comes up.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2020, last 2024

What HN commenters said

  1. “good video on the set up (and issues)”

    Explains US brake-light turn signals and their issues

    ljf, 2020-12 · Recommendation · in “Why Is There a Bucatini Shortage in America?”

  2. “did a very informative (though a bit ranting) video on them in the US. Worth a watch and really interesting.”

    Informative, slightly ranting video on US turn signals

    gizdan, 2021-09 · Recommendation · in “Congratulations, Mini, you made the stupidest turn signals ever”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: turn signals, brake lights, vehicle regulations, nhtsa, car safety

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