A burning car, that is now extinguished, has caused traffic mayhem blocking Auckland's Southern Motorway.

The car fire was blocking the top of the southbound Gillies Ave off-ramp, the New Zealand Transport Agency (NZTA) said.

Motorists were advised to take extra care and expect delays.

A video posted on Twitter showed traffic at a standstill in the area. NZTA how the roads leading up to the Gillies onramp are clogged with traffic. Alpers Ave, Manukau Rd and Gillies Ave are all feeling the effects of congestion.


"Northbound traffic is also very heavy from Mt Wellington to the CDB due to rubbernecking. Allow extra time."

Earlier this afternoon, a rubbish truck and a car crashed heading southbound on Auckland's Harbour Bridge.

The rubbish truck required a heavy haulage tow-truck to remove it and lanes were blocked for some time.

The truck has now been cleared but the crash has delayed the movement of the median barrier on the bridge, NZTA said. "This means there are currently four not five northbound lanes open to traffic and the evening peak is likely to last longer as a result."

Traffic in both directions is affected.

All lanes are now open southbound on the Harbour Bridge after the truck but there is congestion from Tristram Ave.

Police ask motorists to be patient and take an alternative route if possible.

The fire on the motorway. Photo / Supplied
The fire on the motorway. Photo / Supplied