Diversions are in place on Mutiny Road and Te Aute Trust Road and motorists are advised to take alternative routes.
A cyclist was also injured in the Karangahake Gorge earlier today. The Gorge was down to one lane while emergency services attended but it has since been reopened.
tate Highway 2 re-open following serious crash, Wairarapa - Wellington"
Meanwhile State Highway 2 between Carterton and Greytown in Wairarapa has re-opened following the serious crash this morning.
A car collided with a tree at 11.20am and the driver was airlifted to Wellington Hospital in a critical condition.
The circumstances of the crash will be investigated.