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  • How long can train tracks last 2024?

    11.89 m 12.2 m 11.89 m

    Questioner：Zoey Adams 2023-06-09 21:54:25
The most authoritative answer in 2024

  • Ava Roberts——Studied at Harvard University, Lives in Cambridge, MA

    North American railroads until the mid- to late-20th century used rails 39 ft (11.89 m) long so they could be carried in gondola cars (open wagons), often 40 ft (12.2 m) long; as gondola sizes increased, so did rail lengths.read more >>
    +119962023-06-18 21:54:25

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