Reece Martin does very good vlogs on public transportation, and has begun text-blogging more regularly, which I appreciate greatly. But a post of his from six days ago, talking about lean metros, misses a key aspect of short metro systems. He compares old legacy systems like Paris or New York or Berlin’s with newer ones, like Hong Kong’s, and points out that the newer ones are rather short relative to city size, saying that it’s a leaner, lower-cost way of doing things. But in fact, the reason we see such short metros relative to city size is not efficiency, but underbuilding, leading to overcrowding.
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