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> Building a metro requires enormous investment, with a huge but very long-term payback Actually that's far from the truth. Any form of railway transport, with

> Building a metro requires enormous investment, with a huge but very long-term payback Actually that's far from the truth. Any form of railway transport, with some notable exceptions like some french TGV lines, are absurd money sinks. The value of railway services in particular but public transportation systems in genetal manifest themselves mainly as externalities.

Reason077 9y ago
Right. That's exactly what I wrote in my comment above.
- geezerjay 9y ago
  You've stated that there is a payback. There isn't. It's a money sink, and the only way that such a project is justified is mainly by state funding (public service contracts, state-owned corporations, etc)