There is more traffic chaos on Auckland's roads as thousands flock to today's Pasifika Festival and the Kumeu Show.
A crash between a motorcycle and 4WD vehicle on the Bombay Hills has caused traffic to be backed up as far afield as Pokeno.
A person is in a serious condition after the crash and has been taken to Middlemore Hospital in Auckland.
A police spokesman said several lanes were blocked due to the crash.
Motorists were asked to remain patient while police cleared up the scene and the serious crash unit carried out its investigation.