I'll probably have an answer

  • wtypstanaccount04 [he/him]
    hexagon
    ·
    edit-2
    4 years ago

    I'm going to outsource this question to one Gareth Dennis, friend of the WTYP pod.

    https://www.youtube.com/channel/UCzA-8fUrw2C5cRcP9gO5BwA

    https://twitter.com/GarethDennis?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Eauthor

    The quick answer I found on Quora was that rails tend to need replacing the most on curves on busy lines, every 2-3 years. Little used sidings can last a century.