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Auckland rail upgrade

Auckland Transport is upgrading the region’s rail network to meet the increased demand for train travel.

Our Celebration

On Monday 28 April, the first of Auckland’s new electric trains will go into service on the Onehunga line. This is a defining moment for the future of Auckland.  Five thousand tickets have been issued for Aucklanders wishing to try the new trains for free on special scheduled and ticketed services after the official launch on 27 February.   All tickets have now been allocated.

Project overview

The redevelopment of Auckland’s rail network includes the building of new electric passenger trains (Electronic Multiple Units), station upgrades and electrification works. 

Patronage on Auckland’s trains now exceeds 11 million passenger journeys per annum. This growth is forecast to continue. To meet this demand, both regional and central government have made significant investment in rail network improvements.

Electric trains

Auckland's new electric trains will be faster, quieter and more energy-efficient.

Station improvements

Learn more about the upgrade of key stations in the Auckland rail network.


In preparation for the introduction of new electric trains, KiwiRail is electrifying Auckland’s suburban rail network. 


Electrification is a vital step towards creating a modern and sustainable passenger transport network. It will mean quieter and more reliable train services, allowing rail to take a more prominent role in the region’s transport mix. 

Electrification will extends from Papakura in the south to Swanson in the west, and includes the Onehunga Branch Line and Manukau Rail Link. Trains are powered from a wire held overhead by masts and cantilevers. The 25kv AC power system (currently used on the North Island Main Trunk between Hamilton and Palmerston North), is used widely overseas and was assessed as the most suitable option for Auckland.

Need more information?

Contact Auckland Transport