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"Those a mucky definitions."

There was exactly one definition in my comment: that of a public good. The remainder was my reasoning for why roads and trains do not fit that definition of a public good. With which part(s) do you disagree?

"If you're arguing that roads are a public good..."

I'm not arguing that. That's why I started my comment with "No, they're not".

I'm not sure how to respond to the rest of your comment, as your main point (that public transit is good) is orthogonal to mine.



Mucky definitions: excludable and rivalrous.

> Roads are obviously rivalrous (gridlock!) but you could argue the extent to which they are excludable

That sounds like you're arguing that roads are in some way a public good, or more of a public good than trains, to me...




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