The Manukau Branch is a 2.5 km spur railway line from Wiri off the North Island Main Trunk Railway to Manukau City Centre in Auckland, New Zealand, part of ONTRACKs Project DART. It is the first fully new section or railway line constructed in Auckland since the Eastern Line in 1930.The estimated cost of the project was $50 million, with construction having begun June 2008, and was expected to be completed in late 2011.