Table
Norwegian National Rail Administration - StatRes. Infrastructure and Hours of dead time, by line | Main lines (kms) | Double track (kms) | Level crossings | Hours of dead time |
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| 2010 | 2011 | 2012 | 2010 | 2011 | 2012 | 2010 | 2011 | 2012 | 2010 | 2011 | 2012 |
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| Total | 4 167 | 4 154 | 4 246 | 239 | 239 | 245 | 3 601 | 3 826 | 3 690 | 11 972.48 | 10 633.27 | 8 462.17 |
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| Nordlands line (Trondheim - Bodø) | 734 | 734 | 726 | - | - | - | 734 | 728 | 721 | 812.30 | 792.07 | 547.13 |
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| Sørlands line (Drammen - Stavanger) | 549 | 549 | 549 | 14 | 14 | 14 | 123 | 134 | 131 | 1 652.16 | 1 556.72 | 1 583.17 |
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| Dovre line (Eidsvoll - Trondheim) | 492 | 492 | 485 | 4 | 4 | 4 | 323 | 316 | 306 | 1 631.54 | 1 717.70 | 1 471.62 |
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| Røros line (Hamar - Støren) | 382 | 382 | 382 | - | - | - | 475 | 473 | 474 | 136.41 | 212.83 | 114.27 |
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| Bergen line (Hønefoss - Bergen) | 371 | 371 | 371 | - | - | - | 254 | 247 | 180 | 806.56 | 914.23 | 730.62 |
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| Østfold line, vestre linje (Oslo - Kornsjø border) | 171 | 171 | 171 | 64 | 64 | 64 | 84 | 77 | 71 | 1 023.11 | 983.03 | 617.02 |
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| Vestfold line (Drammen - Eidanger) | 138 | 138 | 138 | 17 | 17 | 23 | 121 | 122 | 111 | 438.08 | 347.02 | 297.80 |
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| Gjøvik line (Oslo - Gjøvik) | 123 | 123 | 123 | 2 | 2 | 2 | 104 | 103 | 101 | 549.13 | 403.58 | 180.57 |
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| Kongsvinger line (Oslo - Charlottenberg border) | 116 | 116 | 116 | - | - | - | 70 | 81 | 67 | 459.40 | 267.03 | 193.85 |
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| Main line (Oslo - Eidsvoll) | 84 | 84 | 84 | 20 | 20 | 20 | 6 | 21 | 17 | 2 409.10 | 1 493.90 | 1 374.67 |
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| Gardermoen line (Etterstad - Eidsvoll) | 64 | 64 | 64 | 60 | 60 | 60 | - | - | .. | 532.07 | 566.72 | 285.68 |
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| Drammen line (Oslo - Drammen) | 42 | 57 | 42 | 42 | 42 | 42 | - | .. | - | 1 024.05 | 815.93 | 618.12 |
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| Other lines | 886 | 873 | 995 | 16 | 16 | 16 | 1 307 | 1 524 | 1 511 | 496.57 | 562.50 | 447.67 |
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