Emergency services are responding to two separate accidents that have closed key routes around the Hauraki-Cormandel area.
The first crash happened at 2.40pm, described by police as a serious crash on State Highway 25, near the intersection with Hikuai Settlement Road.
One person is reported to be in a serious condition.
Police said at 3.15pm that the road would be blocked “for some time” and motorists were advised to take alternative routes where possible.
At 3.32pm, police responded to a three-vehicle collision on Pareroa Kopu Road, SH26, Komata.