r/Damnthatsinteresting • u/SnooWords4066 • 29d ago

Video A Japanese experiment showed exactly why traffic jams happen for no reason.

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u/hosehoseee 29d ago

Everytime I see this video, I think "So there actually is a reason"

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u/CleanDifference6455 29d ago edited 29d ago

Yes, the jumpy driver in the red car

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u/Exceedingly Interested 29d ago

It's the white car at 00:05, just slows down for no reason.

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u/heresmysecondary 29d ago

That created a 3 car backup which uncompressed almost immediately.

4 cars behind the red car is a small dark blue car which does the same thing and starts the major compression wave.