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S. Hull and .. , 35 S2 Distribution of g B for 1sq mile samples and fits to the tail 36 S3 Tails of the BC distributions with their corresponding truncated-power-law fits. . . . 37 S4 Distribution of truncated-power-law parameters 42 S5 The BC distribution of various random graph models 43 S6 2-Sample KS Statistics for City Random Graph Models 45 S7 2-sample KS Test p-values for City Random Graph Models, List of Figures S1 Betweenness 50 S12 Degree Distributions for Individual Cities . . . . . . . . . . . . . . . . . . . . . . . . 51 S13 Evolution of the number of roads in central, p.52