Motorists travelling around the central North Island have been asked to delay travel with several major highways closed due to heavy snow.
NZTA is asking people to delay travel on state highways 1, 4 and 49 in the Central Plateau as they have all been closed this morning.
If travel is essential, there is a detour is via State Highway 3 New Plymouth or State Highway 5 Napier.
Waikato System Manager Cara Lauder warned "considerable" time will be added to journeys.
"Plan ahead and allow extra time for your journeys and drive to the road and weather conditions. Maintain a greater following distance between your vehicle and the one in front, and to slow down and be prepared for unexpected hazards," she said.
"We are also advising caution on SH5 between Taupo and Napier. Be prepared for winter driving conditions, including snow and ice."
Due to snow and ice, Taihape-Napier Road has also been closed
MetService is forecasting snow through until midday.
Motorists are advised to allow extra travel time.
Meanwhile, there are no road closures in the South Island, but some areas have been reduced to 30km/h limits.
The speed limit on State Highway 94, between Mandeville and Riversdale, has been temporarily reduced to 30km/h due to flooding. Caution is advised along the route.
State Highway 65, between Shenandoah and Maruia, has also been temporarily reduced to 30km/h, with drivers urged to take extra care.
As well, the Fern Arch traffic lights on State Highway 6, between Lower Buller and Charleston, are experiencing technical difficulties so motorists are asked to take care and proceed with caution.
Motorists can keep up to date with road closures, delays and traffic at journeys.nzta.govt.nz.