Trains would be running every 20 minutes.
It has affected rush-hour trains every day this week, with Auckland Transport apologising to commuters for the inconvenience.
Those heading into Britomart at peak hour are warned to allow for extra travel time.
Motorists are being warned about encountering reduced visibility on the Southern Motorway around the southbound Highbrook Dr on-ramp after a vehicle burst into flames just before 7am.
Smoke could be seen pouring from the vehicle, as firefighters worked to put out the blaze.
Commuters heading along the stretch of motorway are being warned to drive with care and be prepared for delays.