I sinfdagi temir yo'llarning vaqt chizig'i (1977 yildan hozirgacha) - Timeline of Class I railroads (1977–present)

Vaqt chizig'i I sinfdagi temir yo'llartahrirlash
1910–1929  • 1930–1976  • 1977 - hozirgi kunga qadar

Quyida Shimoliy Amerika temir yo'l tizimining qisqacha tarixi, asosan katta o'zgarishlar orqali amalga oshiriladi I sinfdagi temir yo'llar, operatsion daromad bo'yicha eng katta sinf.

1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009

Adabiyotlar

  1. ^ Lyuis, p. 115
  2. ^ a b v Lyuis, 24-bet, 315-316
  3. ^ ICC (1976, 1977)
  4. ^ Moody's (1988), p. xxv
  5. ^ a b v Moody's (1980), p. 891
  6. ^ Moody's (1984), p. 901
  7. ^ Jorj C. Verner: Burlington-Rok-Aylend temir yo'li dan Texas qo'llanmasi Onlayn. 2009 yil aprelda olingan.
  8. ^ a b v Moody's (1992), p. 237
  9. ^ Moody's (1992), p. 442
  10. ^ a b v d Moody's (1992), p. 421
  11. ^ a b v d Moody's (1992), p. 12
  12. ^ a b v Moody's (1992), p. 403
  13. ^ Moody's (1984), p. xxiii
  14. ^ Lyuis, p. 165
  15. ^ Moody's (1990), p. 64
  16. ^ a b v Moody's (1992), p. 94
  17. ^ Lyuis, p. 257
  18. ^ a b Moody's (1992), p. 223
  19. ^ Moody's (1984), p. xxii
  20. ^ Moody's (1992), p. 122
  21. ^ Lyuis, p. 316
  22. ^ a b Lyuis, p. 359
  23. ^ Lyuis, p. 230
  24. ^ Moody's (1990), p. 273
  25. ^ Moody's (1983), p. 725
  26. ^ Moody's (1986), p. 668
  27. ^ a b Moody's (1992), p. 32
  28. ^ Lyuis, pp. 110, 354
  29. ^ Moody's (1992), p. 233
  30. ^ a b Moody's (1992), p. xxiii
  31. ^ a b Moody's (1990), p. 277
  32. ^ Moody's (1992), p. 270
  33. ^ Lyuis, 356, 360-betlar
  34. ^ ICC (1984)
  35. ^ a b Moody's (1992), p. 221
  36. ^ Lyuis, p. 156
  37. ^ Lyuis, p. 80
  38. ^ Lyuis, p. 155
  39. ^ Moody's (1988), p. xxiii
  40. ^ Lyuis, p. 241
  41. ^ Lyuis, p. 94
  42. ^ Lyuis, p. 213
  43. ^ Lyuis, p. 337
  44. ^ ICC (1986)
  45. ^ a b Moody's (1992), p. xxiv
  46. ^ Lyuis, p. 342
  47. ^ Union Transport Union, Petitioner, v. Davlatlararo tijorat komissiyasi va Amerika Qo'shma Shtatlari, Respondentlar, Norfolk Southern Corporation, Southern Railway Company va Illinois Central Railroad Company, Intervenors., 1989 yil 28 martda qaror qildi
  48. ^ Moody's (1988), p. 187
  49. ^ Lyuis, p. 58
  50. ^ Lyuis, p. 29
  51. ^ Moody's (1992), p. 255
  52. ^ Lyuis, p. 14
  53. ^ Lyuis, p. 270
  54. ^ Lyuis, p. 352
  55. ^ a b Lyuis, p. 355
  56. ^ Moody's (1992), p. 241
  57. ^ Lyuis, p. 77
  58. ^ Moody's (1992)
  59. ^ Jeyms B. Berns, temir yo'llarning birlashishi va birlashma tili, 1998, p. 90
  60. ^ Lyuis, p. 157
  61. ^ Moody's (1992), p. 418
  62. ^ a b Moody's (1992), p. 68
  63. ^ Moody's (1992), p. 205
  64. ^ Lyuis, p. 334
  65. ^ Lyuis, pp. 119, 304
  66. ^ Moody's (1992), p. 424
  67. ^ Lyuis, p. 290
  68. ^ Lyuis, p. 160
  69. ^ Lyuis, p. 89
  70. ^ Lyuis, p. 360
  71. ^ Lyuis, 360-bet
  72. ^ a b Lyuis, p. 361
  73. ^ Lyuis, p. 125
  74. ^ Lyuis, 55-bet
  75. ^ Lyuis, p. 183
  76. ^ Lyuis, p. 66
  77. ^ Lyuis, 58, 114, 215-betlar
  78. ^ Lyuis, p. 252