Auckland train users face problems this morning with a track fault at Britomart leading to services being cancelled or delayed.
There are reduced frequency services operating on the Eastern, Southern and Western lines approximately every 20 minutes. The Onehunga line is operating every 30 minutes, Auckland Transport says.
The delays are expected to continue throughout the morning as services return to the regular timetable.
Auckland Transport has apologised for the inconvenience.
One commuter has tweeted that the Eastern Line is affected with only one train every 20 minutes and the services are currently eight minutes behind schedule.