https://www.railway.supply/en/aucklands-city-rail-link-sets-sustainability-benchmark/
https://www.cityraillink.co.nz/
https://en.wikipedia.org/wiki/City_Rail_Link
https://en.wikipedia.org/wiki/City_Rail_Link#Capacity_forecast_forces_platform_enlargements
https://at.govt.nz/projects-initiatives/city-centre-projects-and-initiatives/city-rail-link