UPDATE 2.26PM: State Highway 29 is reported to be open following a serious crash.

Emergency services were called to a two-vehicle crash involving a truck around 12pm.

A police spokesperson says one person has been taken to hospital in a moderate to serious condition.

The highway was closed and diversion had been put in place between Rapurapu Road and Tauriko Road.

Waka Kotahi NZ Transport Agency says the crash has been cleared between SH28 and McLaren Falls Road.

People are being warned to expect delays while traffic congestion clears.

EARLIER:

A serious crash is being reported in State Highway 29.

A caller to the 0800 SUNLIVE news hotline says there is a crash on the highway, just past the Kaimai Range.

A police spokesperson says they are responding to a two-vehicle crash involving a truck on State Highway 29, Lower Kaimai, Matamata-Piako District.

The crash was reported around 12pm.

"One person is in a moderate to serious condition and is being transported to hospital.

"The road is closed, and diversions are in place at the intersections of State Highway 29, Rapurapu Road, and Tauriko Road.

"Motorists are advised to expect delays."

A rescue helicopter was called in to fly an injured patient to hospital.

Another SunLive reader says there are also delays near Tauriko due to the highway closure.

"People should avoid Tauriko as well."

According to Google's Live Traffic reporting, traffic is delayed in the area.

At the scene?

Call 0800 SUNLIVE or email photos to newsroom@thesun.co.nz