FEASIBILITY OF TRANSCONTINENTAL TOLL ROADS
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ESTIMATES OF PROBABLE TRAFFIC ON SELECTED ROUTES
![Plate 9](http://upload.wikimedia.org/wikipedia/commons/thumb/9/97/Toll_Roads_and_Free_Roads_Plate_9.png/400px-Toll_Roads_and_Free_Roads_Plate_9.png)
Plate 9.—Location of routes selected for study.
In estimating the traffic that would probably use the selected routes all available information was carefully considered. The 1937 volumes of total and “foreign” passenger-car traffic on existing highways approximately parallel to the routes chosen, were known, as indicated by plate 7. General information concerning the relative