The Antiplanner’s Law of Rail Transit

I often hear people say things like, “Light rail might make sense in Europe, but it doesn’t make sense here because our city isn’t dense enough.” To which I respond, “Light rail doesn’t make sense in Europe either.”

In fact, based on the numbers in the post on moderate-capacity transit, we can derive the following Antiplanner’s Law of Rail Transit:

By the time a city is dense enough to justify rail transit, it is too dense for light-rail transit.

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