In December last year, 3846 fines were issued worth $173,660.
That's 124 tickets and $5600 worth of fines every day.
The mobile speed camera dished out $123,340 worth of fines in January 2019, and $85,280 worth of tickets in January this year, while issuing thousands of fines.
Further north, State Highway 1 west of Kawakawa is the most profitable 100km/h stretch of road in New Zealand.
Between Moerewa and Pakaraka, $447,000 worth of fines have been issued by mobile cameras to 3764 motorists.
The next highest amount on the open road is State Highway 1 between Taihape and Hunterville, where $375,760 worth of fines were issued to 4656 drivers.
Fines increase markedly during the summer months, as people head away for Christmas or New Year holidays.
- RNZ