Heavy traffic on Auckland motorways as thousands attend Christchurch terror attack victim's funeral

A motorcycle crash is contributing to heavy traffic on Auckland motorways this afternoon as a Christchurch terror attack funeral takes place near Auckland Airport.

Haji Hafiz Musa Patel was killed last Friday, one of 50 people who were gunned down in the Christchurch terror attack.

His funeral is being held at 4pm at Manukau Memorial Gardens in Puhinui today, leading to traffic warnings being sent out by the New Zealand Transport Agency.

Motorists have been reporting long delays on Auckland's Southern Motorway heading into the city from Māngere onwards as thousands head to the funeral.

A crash is also adding to the delays.

"State Highway 20 northbound has been closed at the Neilson Street offramp after a serious crash involving four vehicles near Queenstown Road. The crash is adding to significant congestion on the transport network," the NZTA says.

A motorcyclist has sustained critical injuries and has been transported to Auckland Hospital according to police and St John.

 Motorists driving to or around the airport are advised that they need to delay their journeys or plan ahead and allow plenty of time.

A photo sent in by motorist Ben Young showing traffic backed up in Māngere. Source: Ben Young