
The Fifteen Billion Pound Railway — Season 4
This final series charts the inside story of how the fifteen-billion pound railway became the nineteen-billion pound Elizabeth line.
About this season
This final series charts the inside story of how the fifteen-billion pound railway became the nineteen-billion pound Elizabeth line.
Episodes (2)

1. Episode 1
9.0Aired 12 June 2022 • 60 min
With exclusive access to Crossrail Ltd and Transport for London, this final chapter of the series follows the race to fix the railway's high-tech software and systems to launch the new Elizabeth Line in time for the Queen's platinum jubilee.
2. Episode 2
9.0Aired 19 June 2022 • 60 min
We follow 83-year-old site manager Jim Forrest - one of the oldest engineers on the project. He joined the Whitechapel Station build in 2009 and has seen it from tunnel boring and concrete pouring to constructing the station steel works.