Since it is the only real constraint to driving, congestion is the one place where people are made to feel the pinch in their automotive lives. Were it not for congestion, we would drive enough additional miles to make congestion. So the traffic study has become the default act of planning, and more than a few large companies can thank traffic stud

By 1940, most urban planners had come to understand that roads were not good per se, that a highway was not an unqualified boon for mankind. By the early 1950’s, much of the general public appeared to understand this, too, even if the press did not.

The introduction of traffic lights, combined with safety campaigns, the demonization of dangerous drivers, and attempts to codify traffic rules might have been expected to reduce road…

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