A planning expert is suggesting Aucklanders look to New York City for the impacts of congestion charges.
A report, commissioned by Auckland Mayor Wayne Brown, has found traffic will cost the city $2.6 billion a year by next year.
Auckland University Architecture and Planning Senior Lecturer Timothy Welch says New York and London have effectively implemented congestion charges.
He told Mike Hosking revenue in New York City has already increased because of faster buses and more foot traffic.
LISTEN ABOVE

Mike's Minute: KiwiSaver, success and competition
02:21

Catherine Field: France Correspondent on the high-intensity military drills
05:07

Rod Liddle: UK Correspondent on the mounting pressure on Kier Starmer to resign as Prime Minister
08:28