Norway is building the world's longest and deepest underwater tunnel – Rogfast will be about 26.7km long and 390m at the deepest point
9
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Philadelphia I-95 bridge collapse explained
11 votes -
What are the differences between the Autobahnen and the Interstate Highway System?
I know there are some Germans on Tildes, figure at least one of y’all might know. How does a typical Autobahn differ from a typical Interstate in design and construction? How often is repair work...
I know there are some Germans on Tildes, figure at least one of y’all might know. How does a typical Autobahn differ from a typical Interstate in design and construction? How often is repair work done and how long does it last? What work would be required to upgrade an Interstate to Autobahn standards?
7 votes