A truck driver suffered minor injuries when the truck and trailer unit he was driving rolled on State Highway 27, near Matamata.
Emergency services were called to the crash, south of Ngarua Road, before midnight.
“The highway was down to one lane while the truck was being removed,” says police.
“The driver has been taken to Waikato Hospital with minor injuries.”
Both lanes of the highway were expected to be open at 5am.
Police are still investigating the cause of the crash.
No other vehicles were involved.