Results to date, of comprehensive research program launched by Assn of American Railroads 3 1/2 yr age; economic surveys provide data for Parmelee's tentative forecast indicating that 1950 traffic will be above 1940 level but lower than war time peaks.
Results of research will guide railroads
Ry Age
Railway Age ; 120 , n 1
1946
3 pages
Aufsatz (Zeitschrift)
Englisch
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