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The safety of a Dunedin intersection where a truck-and-trailer unit crashed and rolled early yesterday is being investigated by the NZ Transport Agency.
A witness to the incident, which happened about 7.45am, said the heavy vehicle "flew" past his car when going down Pine Hill Rd before it rolled on to its side and screeched to a halt at the Great King St intersection.
A St John spokesman said the driver, the sole occupant of the vehicle, was taken to Dunedin Hospital with critical injuries.
Karl Bartleet was waiting in his car at the George St and Pine Hill Rd intersection when he saw a Summerland Express truck and trailer unit driving down the road not "totally in control"."
It got faster and faster. As it went past me I could tell it was in a totally out of control speed.
"I just watched as he went past. I instinctively started to beep my horn but I knew he was out of control, so there was no point."
Mr Bartleet said the trailer went "up and out to the side" and the whole unit flipped over on to its side.
"It all happened like a movie with no sound."
The sliding truck snapped a mature tree off at its base, bent a steel lighting pole to a right angle and spewed a trail of white plasterboard behind it before coming to rest on its side, with its brakes steaming.
"There was quite a bit of damage ... there was debris everywhere," Mr Bartleet said.
He was shocked and immediately worried about the safety of anyone in the vicinity and the driver of the vehicle.
Smoke was billowing out of the truck’s engine.
Mr Bartleet called emergency services.
Other people in the area reached the truck before he did. .
The intersection has been the scene of other serious crashes.
A similar incident involving a truck happened there in April 2015.At the time, it was reported by the Otago Daily Times as Dunedin’s highest risk intersection.
An NZ Transport Agency spokeswoman said the Great King St and Pine Hill Rd intersection was being investigated for safety improvements.
"It’s on our list."
No statistics were immediately available on the number of crashes at the intersection.
A police spokeswoman was unable to comment further on the intersection or the cause of the crash as it was under investigation.
Summerland Express Freight was approached for comment but declined to do so.