A woman has died in a three-car crash in Upper Hutt.
The accident happened on the corner of State Highway 2 and Whakatiki St shortly after 6pm today, police say.
It was not yet known how many other people were in the cars, or the extent of their injuries.
Northbound traffic will be diverted off SH2 onto Fergusson Dr over the Silverstream Bridge and southbound traffic will be diverted off SH2 onto Gibbons St and Fergusson Dr.
Police say motorists can expect significant delays for several hours.