Auckland City Rail Link fit-out contractor selected
https://www.metro-report.com/news/news-by-region/asia-pacific-ex-china/single-view/view/auckland-city-rail-link-fit-out-contractor-selected.html
Judging from the situation in Auckland 5 years ago, rail transportation has developed gradually.
When I visited the city, all of the railways there are not electrified.
And, needless to say, no underground section was there.
But now, the city plans the newly built underground rails.