Season
- Season 1 1993-12-10
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- Season 20 2021-02-20
- Season 21 2021-07-25
- Season 22 2021-11-28
- Season 23 2022-02-16
Season 23 Episode
- Season 7 Episode 1
- Season 7 Episode 2
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- Season 7 Episode 8
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- Season 7 Episode 16
- Season 7 Episode 17
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- Season 7 Episode 24
- Season 7 Episode 25
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- Season 7 Episode 39
Modern Marvels - Season 7 Episode 16 Traffic
8.06 44 minutes In less than a century, the world went from dirt tracks to highways, from propeller planes to space travel, from sailboats to supertankers. And in the process, we have created a glut of traffic on roadways, railways, airways, and seaways–traffic that must be controlled, managed, and regulated. We’ll see how it’s done.
