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"Everything should be made as simple as possible-but not simpler"
Albert Einstein Traffic Theory, like all other sciences, aims at
understanding and improving a physical phenomenon. The phenomenon
addressed by Traffic Theory is, of course, automobile traffic, and
the problems associated with it such as traffic congestion. But
what causes congestion? Some time in the 1970s, Doxiades coined the
term "oikomenopolis" (and "oikistics") to describe the world as
man's living space. In Doxiades' terms, persons are associated with
a living space around them, which describes the range that they can
cover through personal presence. In the days of old, when the
movement of people was limited to walking, an individual
oikomenopolis did not intersect many others. The automobile changed
all that. The term "range of good" was also coined to describe the
maximal distance a person can and is willing to go in order to do
something useful or buy something. Traffic congestion is caused by
the intersection of a multitude of such "ranges of good" of many
people exercising their range utilisation at the same time. Urban
structures containing desirable structures contribute to this
intersection of "ranges of good." xii Preface In a biblical mood, I
opened a 1970 paper entitled "Traffic Control -- From Hand Signals
to Computers" with the sentence: "In the beginning there was the
Ford."
"Everything should be made as simple as possible-but not simpler"
Albert Einstein Traffic Theory, like all other sciences, aims at
understanding and improving a physical phenomenon. The phenomenon
addressed by Traffic Theory is, of course, automobile traffic, and
the problems associated with it such as traffic congestion. But
what causes congestion? Some time in the 1970s, Doxiades coined the
term "oikomenopolis" (and "oikistics") to describe the world as
man's living space. In Doxiades' terms, persons are associated with
a living space around them, which describes the range that they can
cover through personal presence. In the days of old, when the
movement of people was limited to walking, an individual
oikomenopolis did not intersect many others. The automobile changed
all that. The term "range of good" was also coined to describe the
maximal distance a person can and is willing to go in order to do
something useful or buy something. Traffic congestion is caused by
the intersection of a multitude of such "ranges of good" of many
people exercising their range utilisation at the same time. Urban
structures containing desirable structures contribute to this
intersection of "ranges of good". xii Preface In a biblical mood, I
opened a 1970 paper entitled "Traffic Control -- From Hand Signals
to Computers" with the sentence: "In the beginning there was the
Ford".
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