A person has died after they fell from Hopetoun Bridge in central Auckland onto the motorway below.
Police said some lanes have been affected around the SH1 link to SH16 for both east and westbound traffic.
"There is already heavy congestion around the area."
The incident took place at 3:30pm on Friday, the person was initially in a critical condition but has since died.
Waka Kotahi said in a tweet all lanes are now open.
"Expect delay as congestion eases through Spaghetti Junction."
Pictures shared by Waka Kotahi on Twitter show large amounts of traffic backed up.