Sorry, I'm mixed up with other discussion on this post, and the article which also discusses other lines. I'd assume the project to install 4G/5G on the Elizab

Sorry, I'm mixed up with other discussion on this post, and the article which also discusses other lines. I'd assume the project to install 4G/5G on the Elizabeth line just overran, or would have delayed opening the railway. The wording in [1] isn't completely clear, but suggests this was supposed to happen in 2022. [1] https://www.standard.co.uk/news/london/london-tube-underground-4g-three-ee-crossrail-b973082.html https://www.standard.co.uk/news/london/london-tube-undergrou...