Follow a team of more than 10,000 engineers and construction workers as they race to build a brand new railway under London - Crossrail - London's new Underground.
| Created By | ||
|---|---|---|
| Status | Returning Series | |
| Original Name | The Fifteen Billion Pound Railway | |
| First Air Date | July 16, 2014 | |
| Last Air Date | June 19, 2022 | |
| Seasons | 4 | |
| Episodes | 9 | |
| Episode Runtime | 1h 0min | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | Windfall Films | |
| Networks | BBC Two | |