Aucklanders are being warned to expect all-day traffic congestion - even if enough money can be raised for pressure-relieving transport schemes.

Wellington City Council has decided to work with the New Zealand Transport Agency to ensure everything possible is done to address any adverse effects of the planned Basin Reserve flyover.

Hawke's Bay police have turned to Facebook to battle boy racers after a series of fatal crashes in the region.

More than half of motorcycle and scooter users are ignoring warnings about wearing safety gear, risking horrific preventable injuries, experts say.

A rockfall at Ruamahunga Bay on the Thames Coast Road SH25 has closed the road overnight and another large slip has disrupted traffic on the Karangahake Gorge road SH2. Video / Facebook - Thames-Coromandel District Council

The number of people dobbing in dodgy drivers has decreased since cellphone use while driving was banned three years ago.

Parents are being urged to hide their car keys after two young sisters took their parents' cars and crashed into each other.

Overseas drivers were involved in more than 400 crashes on New Zealand roads last year, and failure to keep left, poor handling and fatigue the leading causes of deadly crashes.

Fatal accidents, breakdowns and huge traffic backlogs have plagued the first four days of the official Christmas road toll period.

A motorist travelling at 135km/h in the central North Island is among bad drivers caught by a police "eye in the sky".

A second Mt Victoria tunnel could be the solution to Wellington's traffic congestion problems.