140
Faster is not always better: why the case for higher speed limits is fatally flawed.
(theconversation.com)
this post was submitted on 18 Sep 2024
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I don't think the average human has enough mass to meaniningfully use a crumplezone. The trend of higher bumper heights causes more head an chest injuries than lower bumper heights. Higher bumper heights also increase the chances of being run over.
The average car is also much heavier these days and simple math means that car will have more force on impact at the same speed compared to a lighter car.
You are absolutely right that cars are heavier now, which means they are putting more energy into a collision, but cars are also better at dissipating that energy. I don't actually know enough to know what wins in that face-off. You could very well be right. I'd defer to someone with more expertise in collisions.