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The bulk of the cost of building a subway is in the tunnel construction. Could as well retrofit the tunnels with tracks for real trains later, when everyone exc
by grishka 3y ago
The bulk of the cost of building a subway is in the tunnel construction. Could as well retrofit the tunnels with tracks for real trains later, when everyone except Elon realizes how little sense the original idea makes.
- AlexandrB 3y agoDon't know how easy that will be. Tunnels built for cars can have much tighter turns than a train/subway tunnel. Unless the tunnels are being planned with future conversion in mind they might need significant rework to be able to carry a train.