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Baikal–Amur Mainline (BAM)

node · earth · Eastern Siberia — Taishet to Sovetskaya Gavan

A second east–west trunk line north of the Trans-Siberian, declared an All-Union Komsomol construction site in 1974 and driven through some of the worst ground any railway has been asked to cross. Almost half its length is on permafrost, where winter temperatures reported for the route reach around −60 °C. Its hardest single obstacle, the Severomuysky Tunnel under the Severomuysky Range in Buryatia, is 15.3 km long and took about twenty-six years of intermittent work; until it opened, trains climbed a steep temporary bypass over the range. The BAM exists for the same reason the Amur Railway did: a main line that runs close to a contested frontier is a main line that can be cut.

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Evidence · 1
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No dated observations are stored for this object. Atlas shows what was observed and when — it does not infer a history.

Connections · 2
Assembled narrative · 1

Assembled from 34 blocks · 1 evidence · 28 related

  1. Story
  2. A second east–west trunk line north of the Trans-Siberian, declared an All-Union Komsomol construction site in 1974 and driven through some of the worst ground any railway has been asked to cross. Almost half its length is on permafrost, where winter temperatures reported for the route reach around −60 °C. Its hardest single obstacle, the Severomuysky Tunnel under the Severomuysky Range in Buryatia, is 15.3 km long and took about twenty-six years of intermittent work; until it opened, trains climbed a steep temporary bypass over the range. The BAM exists for the same reason the Amur Railway did: a main line that runs close to a contested frontier is a main line that can be cut.
  3. Knowledge
  4. Trans-Siberian Railway
  5. Baikal–Amur Mainline (BAM)
  6. Permafrost as a track foundation
  7. Connections
  8. Trans-Siberian Railway
  9. Permafrost as a track foundation
  10. Severomuysky Tunnel
  11. The Severomuysky Tunnel opens under the BAM's worst obstacle
  12. Vladivostok
  13. Ruling gradient
  14. Moscow
  15. Siberia
  16. Chinese Eastern Railway
  17. The main-line steam locomotive
  18. Chinese Eastern Railway
  19. Baikal–Amur Mainline (BAM)
  20. Circum-Baikal Railway
  21. Construction of the Trans-Siberian begins
  22. Work begins on the Chinese Eastern Railway across Manchuria
  23. Train ferries begin crossing Lake Baikal
  24. Rails are laid across the frozen surface of Lake Baikal
  25. First trains run on the Circum-Baikal shore line
  26. The Amur Railway completes an all-Russian route to the Pacific
  27. Electrification of the Trans-Siberian is completed
  28. Russian Railways abandons Moscow time across the network
  29. Baikal–Amur Mainline (BAM)
  30. Siberia
  31. Work begins on the Chinese Eastern Railway across Manchuria
  32. The Amur Railway completes an all-Russian route to the Pacific
  33. Evidence
  34. Supports the BAM's route, its permafrost exposure and the 15.3 km Severomuysky Tunnel as the longest railway tunnel in Russia. V55 verification basis: RZD's page was returned as a search result and its substance carried in the attributed summary; it was not fetched. RZD is the operator and therefore an interested party for anything about the line's performance.
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