It's a stretch of road that's jammed with 45,344 vehicles every day.

Shortly before 7am there was a three-car crash before the Ngauranga interchange on the southbound section of the highway.

A multiple-car crash is causing major delays on Auckland's Northwestern motorway.

City bound traffic is heavily congested on the Northwestern Motorway back to Hobsonville after a crash near Rosebank Rd.

Anzac Day traffic started building from lunchtime and traffic is now congested on State Highway 1 in both directions.

Expect clogged roads and slow-moving traffic today as the procession of long weekend holiday-goers make their way back home.

Traffic on Auckland's southern motorway is heavily congested after a motor vehicle crash blocked two lanes just outside of Manukau.

A truck which broke down on the centre northbound land on the harbour bridge has now been cleared and congestion is easing.

Traffic delays ease for holidaymakers as they head home after long Easter weekend.

NZ Transport Agency says it is shaping up to be the busiest Easter ever on New Zealand roads.

Crash on Northwestern Motorway blocks lane into Auckland.

A cyclist suffered minor back injuries when they were hit by a car in Mt Eden this evening.

More bus strikes could be on the way if bus companies continue to push back against demands for better wages and conditions, unions say.

Auckland Transport tweeted a warning to travellers.

It's a slow start to the working week in Auckland.

Three people are critically injured after a serious crash in Karangahake Gorge - the second crash in the same spot today.

The wet Waitangi weekend weather has begun as transport officials urge holidaymakers heading out of town to stay safe and avoid creating highways to hell.

Highways around the North Island appear to be free-flowing on the first day of the Auckland Anniversary Weekend - though stormy weather could pose problems later.

Motorists heading out of town for the long weekend yesterday faced lengthy delays, but the standstill cleared earlier than expected.

Motorists heading out of town for the long weekend should expect lengthy delays as many of Auckland's motorways are already clogged with traffic.

Holidaymakers are set to clog up the roads.

Burger chain operator Wendy's has won a Court of Appeal fight for driveway changes at one of its restaurants.

A serious motorcycle crash is adding to the mounting traffic chaos for people heading out of Auckland.

Highways are clogging up north of Wellington as motorists head off for the city's anniversary weekend.

State Highway 16 is expected to be closed for some time and police are requesting that motorists consider delaying their travel.

Ten people have been injured after a collision involving three cars and a truck near Taupo.

Holidaymakers heading back to the grind in the Super City have one thing to smile about tonight, for most, it's a clear run home on the roads.