New England. TABLE 5-Per capita amounts by region-Selected public and private transportation factors Regions (ICC motor carrier) TABLE 6.--Total amounts by region-Selected public and private transportation factors TABLE 7.-Total amounts by region-Selected public and private transportation factors Regions (ICC motor carrier) ICC class I tons of revenue freight (thousands of tons) TABLE 8.-Total amounts by region-Selected public and private transportation factors ICC class I truck-miles operated (thousands of miles) Population (thousands of people) Hard-surfaced highways (miles of highway) 1948 TABLE 9.-Regional changes in total amounts Selected rail transportation factors Regions (ICC railroad districts) Passenger train car-miles, percent change, 1958, compared with 1940 TABLE 10. Total amounts by region-Selected rail transportation factors DESCRIPTION AND SOURCES OF DATA IN EXHIBIT A 1. Population: 1940 (includes military personnel), “1950 Population Census," volume 1, number of inhabitants, Bureau of the Census, Department of Commerce. 1948 (includes military personnel) estimates of population of States: 1900 to 1948, "Current Population Reports," series P-25, No. 139, Bureau of the Census. 1958 (civilian population only) estimates of population by age groups for States: July 1, 1957, "Current Population Reports," series P-25, No. 194, Bureau of the Census. 2. Passenger car registrations and truck registrations: Includes only privately registered passenger cars and trucks. Buses are included with trucks in some States in some years. Taken from appropriate annual issues of "Automobile Facts and Figures," Automobile Manufacturers Association, Washington, D.C. 3. Gasoline consumption: Includes both highway and nonhighway consumption of gasoline. Other motor fuels excluded where possible. From "Petroleum Facts and Figures-1959," American Petroleum Institute, New York City, N.Y. (All years included.) 4. Surfaced mileage of State highway systems: Miles of highway built and presently maintained by State highway departments, included concrete, asphalt, gravel and treated earth surfaces, 1940 and 1948 from "Highway Statistics"Summary to 1955, Bureau of Public Roads, Department of Commerce. 1958 data taken from "Highway Statistics," 1958, same source. 5. Common carrier equipment units, class I: Includes trucks, tractors, and trailers, both owned and leased, operated by class I motor common carriers, regular and irregular routes in intercity service. 6. Truck-miles operated and tons of revenue freight: For same carriers and same operations as common carrier equipment units. 7. Bus-miles operated and number of revenue passengers: For class I regular route intercity service, carriers classified as intercity, with owned, leased and contracted equipment. 8. Freight train car-miles operated: Freight car-miles in freight train service including empty cars, class I carriers. 9. Ton-miles of revenue freight: Total revenue ton-miles for class I carriers. 10. Passenger train car-miles: Passenger train car-miles in passenger service, including head-end cars, class I carriers. 11. Revenue passenger-miles: Total passenger miles, including commutation, for class I carriers. Sources for items 5 through 11: Annual reports of the Interstate Commerce Commission. Motor carrier items for 1940 and 1948 from those issues of "Statistics of Class I Motor Carriers." Railroad items for 1940 and 1948 from those issues of "Statistics of the Railways in the United States." All items for 1958 from "Transport Statistics in the United States for 1958." |