A new study has found more than a third of our busiest roads are unsafe, with Auckland and Northland having the most high-risk highways.

Kiwi drivers may have been fooled into thinking they would get a speeding ticket during Queen's Birthday weekend, contributing to a dramatic drop in the holiday weekend road toll.

Queenstown schools are closed with drivers urged to take extreme care on central South Island roads after heavy snow fell in the area, with more expected.

Police are praising motorists for their "slow and careful" driving over the long weekend, which looked set to be the lowest Queen's Birthday road toll in 50 years.

Holidaymakers making an early break out of Auckland this afternoon face added disruption on the main road north, from opponents of the Super City.

Boy racers could be banned from many Papakura streets if a proposed bylaw goes ahead.

Among OECD countries, New Zealand tied with Greece and Poland in having the worst road fatalities of zero- to 14-year-olds per capita.

Rapidly rising floodwaters last night forced Bay of Plenty residents from their homes and trapped motorists.

Police are stunned after an undercover photo-shoot snapped 54 drivers on the wrong side of the road in five hours.

Heavy rain has caused widespread flooding in Auckland, Coromandel and the Bay of Plenty with one family trapped in their car having to be rescued by firefighters.