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Duration:	03:06
Uploaded:	2016-09-05
Last sync:	2025-10-02 22:00

A monthly show where we endeavor to answer one of your big questions. This week, Colleen Jousma asks, "Why do traffic jams occur? Is it only because there are too many cars on the road or is there something more to it?"
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Why do traffic jams occur? - Big Questions - (Ep. 224) | Mental Floss
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