“Traffic management is being arranged, and motorists should expect delays of several hours while the scene is cleared.”
A spokesperson said Hato Hone St John was notified at 9.43am.
“One first response unit, one operations manager and one ambulance attended.”
The spokesperson said one patient in a minor condition was treated at the scene.
SH3 is closed between Māhoenui and Awakino after a serious crash. Image / Google
In a statement, NZTA advised road users to take extra care.
“Emergency services are en route,” NZTA said.
“There is no viable detour. Please avoid the area and delay travel until further notice.”
SH3 through Awakino Gorge was subject to a fortnight of maintenance work in December for patch repairs, slip clearance work and guardrail and signage repairs.
Maryana Garcia is a Hamilton-based reporter covering breaking news in Waikato. She previously wrote for the Rotorua Daily Post and Bay of Plenty Times.