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sfifs | 1 month ago

I'm curious. Where has this played out?

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bluGill|1 month ago

Manhattan, Toyoko... People still drive in cities, but the better transit is the worse driving becomes.

jcgl|1 month ago

I think you’re misattrubuting causation here. There are numerous factors that distinguish those two places. Chiefly, they are among the densest places in the world.

Generally speaking, cars are at odds with such extreme density, simply due to geometry (i.e. how much space driving requires); it’s super easy to saturate driving supply in such places.

Think of mass transit and driving as being in an equilibrium with each other. Depending on where the bottleneck is in driving supply, shifting driving demand to transit demand (via improved transit infrastructure) should most often improve driving.

Extreme density like the places you mentioned is challenging just because space is at such an extreme premium. I would argue (and I’m not alone here) that it’s especially challenging because driving is consistently underpriced; the fair value of driving there is likely far higher than the cost that drivers pay. In such circumstances, oversubscribed car infrastructure is the natural outcome.