Dysart said financially it'll cost about the same as running his car, although it will add a couple of hours to his daily commute. He will also need to change trains at Papakura to get to Britomart before catching a ferry to Devonport. "For me, it's about convenience, I can work on the train." Waka Kotahi NZ Transport Agency's $98 million investment will connect the two cities with two peak hour services north each weekday morning. It's hardly New Zealand's answer to the bullet train. Te Huia will travel at up to 100km/h, but average 64km/h during the journey between the two cities.