UPDATED 4.57pm: The driver of a truck that rolled off State Highway 2 this morning will face charges of careless driving, Senior Sergeant Shannon Clifford has said.
The man sustained minor injuries and was not wearing a seat belt at the time of the crash, Mr Clifford said.
"As it went around the corner the load started to sway which has caused the whole unit to roll."
The truck also knocked over a power pole when it rolled, he said.
The highway was reduced to one lane for nearly five hours until the truck was pulled from the ditch and power lines were fixed.
UPDATED 12.17pm: State Highway 2 between Aongatete and Katikati is now open to two lanes after a crash this morning.
The highway was closed while crews worked to get a rolled truck out of the ditch with a crane and power lines were fixed.
UPDATED 11.56am: Traffic is backed up several kilometres on State Highway 2 between Aongatete and Katikati today after a truck rolled this morning.
The highway was closed while crews worked to get the truck out of a ditch with a crane and power lines were fixed.
UPDATED 10.06am: State Highway 2 will be closed for about 10 minutes at 11am today while a crane lifts the crashed truck and trailer back onto the road.
The truck rolled on State Highway 2 between Aongatete and Katikati at about 7.15am.
EARLIER: A truck and trailer unit full of concrete slabs has rolled from the road near Katikati this morning.
Senior Sergeant Shannon Clifford said emergency services were called to the scene at 7.15am.
"No other vehicles were involved and the sole occupant climbed out of the vehicle on his own, and awaited the arrival of emergency services," he said.
"The driver has now been taken to Tauranga Hospital status 2.
State Highway 2 is down to one lane and motorists should expect delays whilst emergency services in attendance await for the arrival of a crane to upright the truck and trailer vehicle, police said.
"The road may have to be fully closed later in the day when the crane arrives. Motorists are advised to consider taking alternative routes."
The Police Commercial Vehicle Investigation Unit is in attendance at the scene and will assisting in the investigation to determine the cause of the incident.