Hrmph. This looks like a fascinating piece of work, then further down it says it wasn’t implemented. Which raises the question what was actually used on the Eli

Hrmph. This looks like a fascinating piece of work, then further down it says it wasn’t implemented. Which raises the question what was actually used on the Elizabeth line? “This paper for a possible energy segment installation was written during the design phase but the proposal was not implemented. As stated in the summary the learning from the development of this design for Crossrail is shared for the benefit of future schemes.”