This - via @kim_harding - is both fascinating and annoying

It lists the numbers showing that UK infra projects cost so much, but do not really begin to answer WHY this is the case

https://www.samdumitriu.com/p/britains-infrastructure-is-too-expensive

Britain's infrastructure is too expensive

Railways, Trams, and Roads all cost more to build in Britain

Notes on Growth
@jon @kim_harding Illuminating nevertheless and the comments offer some explanations.