As readers flooded the Herald with complaints, councillor Mark Donnelly produced budget documents showing former Mayor John Banks and his council had instructed officers to hire more traffic wardens to raise an extra $12 million in fines over three years.
After the first article, the number of tickets issued dropped by almost half - from 3784 in July to 1924 in August.
But the numbers picked up again to almost 3000 in March 2011.
The Herald asked for updated figures in April, after which infringements fell to 1540 in June.
Ticket numbers stayed about the same level until November, at 1590, when the Herald approached Auckland Transport for a further update.
In the following two months, during the period it took Auckland Transport to compile the data, the number of tickets issued dropped by a third to 1021 and 940.
Mr Bidgood said December and January always had less traffic than other times of the year - and therefore fewer infringements.
The only change made to policing the bus lanes had been to "soften" the enforcement zone from 50m to 70m, allowing motorists more distance to complete lane movements and turns.