Page:Interregional Highways.pdf/40

28

In counties traversed by the system the density of motor-vehicle ownership in 1941 was 18.7 per square mile and 1 for each 3.9 persons. In all other counties the density was 5.5 per square mile and 1 for each 4.5 persons. These facts, shown graphically in figures 12, 18, and 14, give further evidence of the appropriate choice of routes included in the system. Table 7, which shows the same relations by geographic regions, indicates that the choice is similarly appropriate in all regions.