State Highway 29 is under stop/go traffic management following a two truck crash on the Kaimai Range.
Emergency services were called to the scene near Hanga Road at around 2.10pm.
The NZTA are warning motorists to expect delays if they are traveling along the highway.
“Due to a crash on SH29 Lower Kaimai, a stop/go is currently in operation.
“Expect delays and pass the scene with care.”
It is unknown at this stage when the road will fully be re-opened.