Transportation modeling: Is it art, or science?

Transportation modeling provides us with a means for examining different futures. But is it .  .  .  science or is it art?

Robert Bain asked this question to a British academic transport list (UTSG) last week and got an interesting range of responses which he has written up with an analysis and commentary. He added to his invitation: “If you’re inclined to expand on your view(s) I’d be delighted to read your thoughts. Similarly, any references to articles or papers that touch on this issue would be gratefully received.” (Likewise here.)

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