Wellington motorists on State Highway 2 are facing lengthy delays after a crash temporarily blocked a southbound lane before the Ngauranga interchange.
Emergency services attended the incident about 4.55pm as traffic was pushed into one lane near the Hutt Rd off-ramp.
Police said initial indications suggested one person had moderate injuries as a result and motorists should expect lengthy delays.
The NZ Transport Agency reported at 5.40pm the crash had been cleared but significant delays remain while congestion clears.