SH1 has been closed at Mangamuka Gorge since severe weather in August 2022 caused a number of slips.
While the crash occurred in an area not officially closed by the roadworks, there would have been minimal traffic as the majority of vehicles would have been diverted before then.
Denise Piper is a news reporter for the Northern Advocate, focusing on health and business. She has more than 20 years in journalism and is passionate about covering stories that make a difference.