It was decided to go forward with the project, in part due to it being expected to cost Auckland City (according to late 2007 estimates) only NZ$8.5 million, with Land Transport New Zealand paying $20.5 million in addition to Auckland Regional Transport Authority's (ARTA) $13.7 million share.
The project was given the green light due to its projected cost of NZ$8.5 million for Auckland City, with Land Transport New Zealand contributing NZ$20.5 million and the Auckland Regional Transport Authority (ARTA) adding NZ$13.7 million.