Seven people are being evacuated from a property because of surface flooding on State Highway 46, near Lake Rotoaira, south of Lake Taupo.
The road is closed between Mcdonnells Redoubt and Otukou Rds.
Police were asking drivers to avoid the area, allow extra time and drive to the conditions.
Earlier, an elderly woman needed Fire Emergency New Zealand help to escape after her house was flooded on State Highway 46.
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A MetService spokesperson said Taupo had 7.2mm of rain in the last hour.
A weather station on the Alpine Crossing had received 75mm of rain in the past 24 hours, most after 4pm.