A new smartphone app allows users to check Auckland's air quality at any given time.

A crash is blocking the left lane, north-bound, on SH2 near Horokiwi., near Wellington.

Auckland's congestion is now worse than Hong Kong.

Motorway crashes now cleared but traffic jams remain.

Delays after injury-crash on Auckland's Northern Motorway.

If you're driving through West Auckland, you may face big traffic queues.

The skies are beginning to clear after last night's storm, but the respite may be short-lived, with thunderstorms and more heavy rain forecast for later today.

Motorists heading south on Auckland's motorways this evening are being told to expect delays following an earlier break-down.

Logs spilled on highway after early morning crash.

A Dunedin shopkeeper fears she will witness another fatal crash.

Commuters were crammed this morning at the start of the busiest month on the city's roads.

'Missing link' should ease some of Auckland's transport woes.

Incident contributes to March Madness on our roads.

A TV reporter remembers thinking the car that hit her was "absolutely booting it".

Crash driver more interested in his car, says teenager after mother and horse hit.

Verdict in for truck driver who smashed into motorway overbridge, causing chaos across Auckland.

A second crash has added to Auckland's motorway mayhem as March Madness begins.

Rescuers pulled a woman from her smoke-filled car after she rammed into a stopped ute.

Sick of the little green man turning to red before you've had enough time to cross the road?

A 'police operation' has led to traffic in the central Hawke's Bay being diverted.

Commuters who live in South Auckland and work in the city are likely to spend well over an hour in traffic this evening.

Police Commissioner Mike Bush has opened up about a historic drink driving conviction.

Man who described himself as 'NZ's worst nightmare' jailed for hitting cop.

As traffic nears its annual peak, Auckland Transport adds buses and trains.

A motorcyclist who collided with a school bus south of Whangarei was flown to the Middlemore Hospital with spinal injuries. The crash

A mockup of what The Mall (Pilot Bay) would look like - one-way for motorists with a separated cycleway. Photo/supplied Pilot_bay_mockup_correct_di Adams

COMMENT: I'd like to moot a nationwide expert and practical authority to come up with a 50-year infrastructure plan that actually works.

One person died while another was airlifted to hospital after a two-car crash on State Highway 3, Awakino.

The NZ Transport Agency issues a statement after claims its $1.4 billion Waterview tunnel will cause gridlock.

Before Graham Kennett ploughed into an overpass, sprawling a digger across the Southern motorway causing widespread gridlock he checked the load with his eye.