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Another example: Switzerland is building the AFAIK still world's longest train tunnel. It casually went from 8 billion estimated in 1992 to 24 billion and it's
by m_mueller 11y ago
Another example: Switzerland is building the AFAIK still world's longest train tunnel. It casually went from 8 billion estimated in 1992 to 24 billion and it's still not open.
https://de.wikipedia.org/wiki/Neue_Eisenbahn-Alpentransversale#Gesamtkosten https://de.wikipedia.org/wiki/Neue_Eisenbahn-Alpentransversa... (German)