![Photo: ODT files](https://www.odt.co.nz/sites/default/files/styles/odt_landscape_extra_large_4_3/public/story/2025/01/accident_sign_1_0_0.jpg?itok=rzwRA_cm)
Photo: ODT files
Emergency services were called to State Highway 6, near the Kakapotahi River, south of Hokitika, at about 6.30pm.
A St John spokesperson said two people were taken to Greymouth Hospital, one in a moderate condition and one with serious injuries.
A third person was flown by helicopter to Christchurch Hospital in a critical condition.
Fire and Emergency said crews freed a person who was trapped inside a vehicle.
NZTA said State Highway 6 was blocked north of Waitaha Road.
It warned motorists of delays and appealed to them to follow the directions of emergency services at the site.