4 ms·
10 years and $20B USD for a 40 station rail line spanning over 100km (20km in tunnels) sounds incredibly fast and inexpensive. It took us (San Francisco Bay Ar
by Johnny555 11y ago
10 years and $20B USD for a 40 station rail line spanning over 100km (20km in tunnels) sounds incredibly fast and inexpensive.
It took us (San Francisco Bay Area) 10 years and 6.5B US dollars to build a 3.5km bridge... and it still has some serious problems with no solution.