31X-Onehunga to Civic Centre Express

This route is originally 31F. This service travels for some part of the 392 route, and enters the motorway at Greenlane. Full journey is around 35 to 38 minutes. This service does not stop from Greenlane to Symonds Street off-ramp. This service is peak time only. Operated by Metrolink or Waka Pacific. Full trip is 3 stages.