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The Beauty of Roundabouts

100 points · 222 comments · ngruhn

  1. M95D · · focus · HN ↗
    Did anyone study the fuel efficiency of a roundabout vs. traffic light?

    I expect it to be a lot worse.

      - roundabout, light traffic : break, turn, accelerate again, 100% of the time
      - (dumb) traffic light, light traffic: 50% chance of stopping and accelerating again, 50% chance of not slowing down at all.
    
      - roundabout, heavy traffic : stop, move 3m, stop again, move 3m more, stop again, repeat 10 times, finally turn, accelerate.
      - traffic light, heavy traffic: stop & engine off, start & move 100m, stop & engine off, start again and accelerate.
    1. Miksel12 · · focus · HN ↗
      Streetcraft on Youtube compared 2 similar routes, one with roundabouts and one with traffic lights. They found roundabouts to be quicker and more fuel efficient: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=012fMI3TdRo" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=012fMI3TdRo
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