A daring 1970s plan promised a faster route through the Serra do Mar—but why were its viaducts left unfinished? Explore the engineering challenges, millions invested, and other Brazilian mega-projects that never made it across the finish line.
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0:04 - The Unfinished Serra do Mar Viaducts
1:39 - The Project’s Ambitious Design and Scope
4:25 - Construction Halted and the Coastal Route Completed
6:52 - Modernization Plans and Lessons from Abandonment
8:33 - The Transnordestina Railway
9:46 - The Trans-Amazonian Highway
10:58 - Lessons for Brazil’s Infrastructure Future
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