Average weight of rail per yard (pounds) Crossties laid in replacement Number Percent of total 90.8 91.3 91.6 91.9 92.3 5.9 4.8 3.7 3.5 4.1 92.7 N.A. 93. 8 94,2 94.7 95. 3 96.0 96.7 97.3 98.1 98.9 99.4 100.1 100.7 101.4 63, 353, 928 51, 501, 659 39, 190, 473 37, 295, 716 43, 306, 205 44, 326, 151 47, 361,015 47,729, 538 41, 363, 224 45, 088, 278 43, 620, 653 47.224,593 48, 616, 228 45, 439, 512 48,032, 634 43,912, 213 37, 562, 383 37, 289, 473 36,842, 371 30, 285, 046 30, 493, 607 29,061, 560 30,331,899 29, 808, 949 23, 173, 611 24, 149, 169 23,646, 332 22,082, 225 16,029, 558 16, 423, 307 14, 318,721 12, 019, 255 13, 428, 392 13,667, 388 14,738, 013 14,760, 183 15, 324, 391 102.0 102.6 103. 1 103.5 104.1 104.4 105. O 105.7 105.6 105.9 106. 1 106.2 106.4 106.6 (1) TABLE 3.-NEW RAILS AND CROSSTIES LAID, CLASS I RAILROADS, 1930-66 New rail laid Year Total crossties in (Dec. 31) 1930 1931. 1932 1933 1934. 1935. 1936. 1937 1938. 1939 4.3 4.6 4.7 4.1 4.4 1940 1941. 1942 1943. 1944 1,783, 148 456, 065 657,961 1,042, 757 1, 162, 879 678, 819 991, 896 1,134, 412 1,354, 708 1, 353, 370 1,448, 368 1,772, 810 1, 822, 833 1, 388, 286 1,639, 746 1, 548, 367 1, 448, 365 1,368, 208 1,281, 850 1,086, 448 1, 302, 474 992, 571 4.3 4.7 4.9 4.6 4.8 1945. 1,066,785, 308 995, 371, 877 4.4 3.8 3.8 3.7 3.1 1950. 1951 1952 1953. 1954 3.1 2.9 3.1 3.0 2.3 1955 1956 1957 1958. 1959 963, 350 882, 893 782, 090 412, 690 480, 913 382, 277 292, 750 312, 128 370, 418 383, 311 2.5 2.4 2.3 1.7 1.7 1.5 1.3 1.4 1.5 1.5 1960. 1961 1962 1963 1964 1965 1966 445, 863 1.6 1.7 1 Not available. TABLE 4.--MILEAGE PROTECTED BY CENTRALIZED TRAFFIC CONTROL, ALL RAILWAYS IN THE UNITED STATES, SELECTED YEARS, 1929-66 1 Not available. Source: Carriers' exhibit 15, p. 45, before Emergency Board No. 164; Interstate Commerce Commission, Bureau of Railroad Safety and Service, Annual Report, fiscal years ended June 30, 1964, 1965, and 1966; Department of Transportation, Federal Railroad Administration. TABLE 5. - RADIO INSTALLATIONS, CLASS I AND II LINE-HAUL RAILROADS AND SWITCHING AND TERMINAL COMPANIES, SELECTED YEARS, 1948-62 LINE OF ROAD INSTALLATIONS 1948. 1950. 1952. 1954. 1956 1958. 1960. 1961. 1962 91 161 307 486 634 758 448 14 92 298 597 64 123 200 372 537 755 929 962 989 986 1,331 1,000 735 1,281 2,046 2,620 3,651 3, 339 3,282 3, 276 33 37 76 176 377 593 1, 127 1,060 1,070 942 1, 327 2, 041 2,049 2,015 Source: Carriers' exhibit 15, p. 44, before Emergency Board No. 164. TABLE 6.-DEFECTIVE FREIGHT CARS AND LOCOMOTIVES, ALL U.S. RAILROADS, 1931-40 AND 1955-66 Source of basic data: Annual reports of the Section of Railroad Safety, Bureau of Railroad Safety and Service of the Interstate Commerce Commission. TABLE 1.-LOCOMOTIVE DEFECTS REPORTED BY DISTRICT LOCOMOTIVE INSPECTORS ON RAILROADS IN THE UNITED STATES 1955-67 1 1 All locomotives. 2 Preliminary. Source: Interstate Commerce Commission, Annual Reports of the Director of Locomotive Inspection; Department of Transportation, Federal Railroad Administration, TABLE 8.--EMPLOYMENT IN MAINTENANCE OF WAY AND STRUCTURES AND EQUIPMENT CLASSES, CLASS I LINE HAUL RAILROADS, 1933-67 [Midmonth count] 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 8 се 1921. 1926. 1936. 1937 1938 1939. 1940. 1941. 1942 1943. 1944 1945. 1946. 1947 1948 1949 1950 1951. 1952 1953. 1954. 1955. 1956. 1957. 1958. 1959. 1960. 1961 1962. 1963. 1964 1965. 1966 1967. 11.55 11.92 15.83 16.09 16. 56 16.67 16.66 16.48 15. 76 15.43 15. 69 15.70 16.03 16.03 16. 16 16.91 16.83 16.94 17.61 18. 20 18.72 18.62 18. 59 18. 82 19.15 19.49 19.53 19.85 20.02 20.10 20.08 20.07 20.26 20.34 100.0 103. 2 137.1 139.3 143.4 144.3 144.2 142.7 136.5 133.6 135.8 135.9 138.8 138.8 139.9 146.4 145.7 146.7 152.5 157.6 162.1 161.2 161.0 162.9 165.8 168.7 169.1 171.9 173.3 174.0 173.9 173. 8 175.4 176.1 33.96 34.52 34.71 35. 36 35. 79 36. 12 35.65 34. 71 34.74 34.66 35. 49 36.14 36.67 37.02 37.40 37.65 38. 31 39.05 39. 52 39.78 39.96 40.16 40.18 40.08 40.67 40.88 40.85 40.89 40.83 41.29 11.33 41.75 100.0 101.6 102.2 104.1 105.4 106.4 105. O 102.2 102.3 102.1 104.5 106.4 108.0 109.0 110.1 110.9 112.8 115.0 116.4 117.1 117.7 118.3 118.3 118. 0 119.8 120.4 120.3 120.4 120.2 121.6 1.7 122.9 1 Not available. TABLE 10.-LENGTH AND WEIGHT OF FREIGHT TRAINS, CLASS I LINE-HAUL RAILROADS, 1921, 1926, AND 1936-67 1944. 100.0 117.7 121.1 122.9 124.5 128. 1 131.0 132.3 135.9 136.7 139.1 137.0 135.9 138.8 142.7 149.0 153. 1 156.5 161.2 165.6 170.3 173.2 175.8 181.5 185. 2 182.6 184. 1 186.2 186.5 185.9 184.4 184.1 183. 3 186.5 1945 1946 1947 1948. 1949. 1950. 1951 1952 1953. 1954 1955. 1956... 1957. 1958 1959. 1960. 1961. 1962. 1963 1964. 1965 1966.. 1,433.4 736.0 100.0 121.1 128.6 130.9 130.4 136.5 140.9 146. 1 156. 3 162.0 165.6 163.9 160.8 167.0 171.8 174.2 183.4 190.6 195.7 197.9 200.3 208.2 213.5 219.0 221.0 221.2 224.8 230.1 235.2 239.1 241.0 247.2 251.8 257.0 578. 2 701.0 697.5 718.8 686.8 737.7 774.6 836.8 957.3 1.036.9 1,055. i 1.044.1 1.002.7 1,062,7 1.091.1 1,056.0 1, 142.9 1.223.3 1, 222.4 1,230.3 1,288.4 1,308.9 1.360.7 1. 383.8 1.377.7 1,389.7 1,415. O 1, 457.9 1,507,2 1.554.7 1,589. 1 1.657.8 1,687.8 1,711.4 100.0 121.2 120.6 124.3 118.8 127.6 134.0 144.7 165.6 179.3 182.5 180.6 173.4 183.8 188.7 182.6 197.7 211.6 211.4 212.8 122.5 226.4 235.3 239.3 238. 3 240.3 244.7 252.1 260.7 268.9 274.8 286.7 291.9 296.0 1967... 1 As of Dec. 31. · Not available. 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 |