In Smeed’s (1961) path-breaking paper, he begins by noting the contribution of Clark (1958) to the discussion of the influence of transport on the way that cities spread out through time. Clark (1951) had used a particular mathematical model, the negative exponential model of density with distance from the city centre, to estimate the rate at which cities spread out, and their central densities decline, with time. He used as a prime example the population statistics from the censuses in London, starting from 1801.
KeywordsCentral Density Effective Shield Royal Commission Human Driver Trip Length
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