Yes 4 years late and around £4 billion ($5.28 billion) over budget.
https://www.dailymail.co.uk/debate/article-10791317/The-Elizabeth-Line-says-Britain-pull-big-building-projects-anymore.html
ROBERT HARDMAN: During the peak of construction work, this new East-West monster tunnel was the largest engineering project across the continent.
https://www.dailymail.co.uk/debate/article-10791317/The-Elizabeth-Line-says-Britain-pull-big-building-projects-anymore.html
ROBERT HARDMAN: Elizabeth Line shows we CAN pull off big projects
www.dailymail.co.ukROBERT HARDMAN: During the peak of construction work, this new East-West monster tunnel was the largest engineering project across the continent.