Trains in Auckland will not be running for several hours on Wednesday.
Auckland train Photo: RNZ / Diego Opatowski
The operator, Transdev, said it was because staff would be attending a meeting with the Rail and Marine Transport Union, about their employment agreement.
There will be train cancellations between about 9am and 3pm.
Transdev said the meeting had been arranged with the union to minimise disruption to commuters.