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.