Shockingly it's not been scrapped - the deep tube programme is, to some extent, unscrappable. They're currently due to enter service in about five years: https

Shockingly it's not been scrapped - the deep tube programme is, to some extent, unscrappable. They're currently due to enter service in about five years: https://en.wikipedia.org/wiki/New_Tube_for_London https://en.wikipedia.org/wiki/New_Tube_for_London