The driver of a truck has been flown to hospital with serious injuries after a crash on State Highway 2 west of Maramarua.
A police spokeswoman confirmed police and ambulance were at the scene of the crash after emergency services were notified at about 7.15 this morning.
She said the crash was a nose-to-tail, and the driver of a truck was trapped in their vehicle and being attended to by ambulance staff.
A police spokeswoman said they have since been freed, and airlifted to hospital by the Westpac Rescue Helicopter with serious injuries.
NZTA tweeted that the crash scene had been cleared, but motorists should expect delays as congestion eases.
UPDATE: Crash scene on #SH2 just west of Maramarua NOW CLEARED. Allow extra time as some congestion in the area eases ^TP— NZTA Waikato/BoP (@NZTAWaiBoP) October 16, 2016