>>> There's also the problem that the old rail is just one set of tracks, and so another set would be needed anyhow. >> How often is this done? > Beats me. Wi

>>> There's also the problem that the old rail is just one set of tracks, and so another set would be needed anyhow. >> How often is this done? > Beats me. With modern tech, how hard can it be? All that's need is a handful of passing loops and modern signalling. It's how we in Scotland got the railway from Edinburgh to Tweedbank re-opened (part of the old Waverley route from Edinburgh to Carlisle that was closed during the Beeching cuts). https://en.wikipedia.org/wiki/Waverley_Route https://en.wikipedia.org/wiki/Waverley_Route https://en.wikipedia.org/wiki/Borders_Railway https://en.wikipedia.org/wiki/Borders_Railway https://en.wikipedia.org/wiki/Beeching_cuts https://en.wikipedia.org/wiki/Beeching_cuts