It's 2024, and the Manchester extension of HS2 has been cancelled. The leg to Leeds was cancelled in 2021. The remaining line to Birmingham is now less than half the initial planned route, and will cost over double the initial budget. This is not exclusive to HS2; Sprialling costs and missed deadlines have become commonplace in big engineering projects, the UK is now one of the most expensive places in the world to build infrastructure, but Britain has a proud history of engineering, and one name in particular looms large - Isambard Kingdom Brunel. Ruthless, bloody minded and notoriously driven - what could he do about the current state of UK infrastructure?

Presenter: Neil Maggs Producer: Johnny I'Anson Editor: Clare Fordham