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TABLE 8.-EMPLOYMENT IN MAINTENANCE OF WAY AND STRUCTURES AND EQUIPMENT CLASSES, CLASS I LINE

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1952

1953.

1954

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311, 125

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Source: Interstate Commerce Commission, Transport Statistics in the United States and Statement A-300.

TABLE 9.-SPEED OF FREIGHT AND PASSENGER TRAINS, CLASS I LINE-HAUL RAILROADS, 1921, 1926, AND 1936-67

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Source: U.S. Interstate Commerce Commission, Transport Statistic in the United States, and Statement Q-210.

TABLE 10.-LENGTH AND WEIGHT OF FREIGHT TRAINS, CLASS I LINE-HAUL RAILROADS, 1921, 1926, AND 1936-67

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Source: Interstate Commerce Commission, Transport Statistics in the United States, Statement 0-210 and Statement 0-220: Association of American Railrods, Statistics of Railroads of Class I.

TABLE 11.-LENGTH AND WEIGHT OF PASSENGER TRAINS, CLASS I LINE-HAUL RAILROADS, 1921, 1926, AND

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1 Gross ton-miles are not available for 1921. These figures are for the year 1922.

Source: Interstate Commerce Commission, Transport Statistics in the United States, Statement Q-210 and Statement Q-220; Association of American Railroads, Railroad Transportation.

TABLE 12.-NUMBER OF TRAIN ACCIDENTS BY CLASS OF ACCIDENT 1930-56

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Source: Interstate Commerce Commission Accident Bulletin No. 125,Table No. 37.

TABLE 13.-NUMBER OF TRAIN ACCIDENTS, BY GENERAL CAUSES, TOTAL AND NUMBER PER MILLION MOTIVE

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NUMBER OF TRAIN ACCIDENTS PER MILLION MOTIVE-POWER MILES (LOCOMOTIVE-MILES PLUS MOTOR-TRAIN

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Source: Interstate Commerce Commission Accident Bulletin No. 125, table No. 38, p. 9.

TABLE 14.-TRAIN ACCIDENTS, AND DAMAGE TO RAILROAD PROPERTY 1930-56

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Source: Interstate Commerce Commission Accident Bulletin No. 125, 1956, table No. 40, p. 10.

TABLE 15.-NUMBER OF TRAIN ACCIDENTS BY GENERAL CAUSES, ALL U.S. RAILROADS, 1958-60

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Source: Interstate Commerce Commission Accident Bulletin Nos. 127-129, table No. 26.

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