Police are asking for the public's help in tracing the movements of a Hamilton man before his body was discovered in a car found crashed in a stream.

The chase began in Whitford about 12.15pm and the vehicle was chased by police as far as the Razorback Rd area, north of Pokeno in Auckland.

Traffic is beginning to ease on Auckland's northern motorway after two crashes caused gridlock.

The sister of the man who died after his car crashed into a Waikato stream overnight has posted a moving tribute to her brother.

The seat in the church where little James Crous always sat remained empty on Sunday after a tragic road accident in Napier claimed his life last Thursday.

A man who was rescued after his car plunged 100m over a cliff in West Auckland has been charged in relation to the incident.

One man is in intensive care after a head-on crash on the main road between Blenheim and Nelson that injured seven people.

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

The thought of never meeting his unborn son fuelled Peter Redmond's fight for his life when he was hit and dragged 20m by an SUV.

A driver has walked away uninjured after the car they were driving in crashed into a tree in west Auckland this afternoon.

A motorcyclist is in critical condition after colliding with a car on State Highway One in Northland.

A person died after the car they were driving collided with a truck in west Auckland.

A former Whanganui family is fundraising to bring their daughter's body home from Western Australia after the 18-year-old was killed in a car crash.

A man and woman had to be cut out of their car after it rolled on a corner in Auckland's Kohimarama this afternoon.

A young boy has died after a serious car crash on the Hawke's Bay Expressway this morning.

An elderly driver of a car has smashed through the front window of a medical lab in a Torbay shopping area.

Waikato police have released the name of an American woman who was killed in a car crash near Matamata on Monday.

A woman is in a serious condition in hospital after the car she was driving crashed into a taxi in central Auckland.

A friend of the mother who died in a crash along with her 8-month-old son said she was a very careful driver.

The two people who died in a two-car smash near Twizel in the South Island have been named.

A logging truck became airborne and shunted a hatchback 20m off the road in a collision that left a 22-year-old dead and her parents injured near Matamata.

The force of the impact between a car and a logging truck which crashed was so intense the truck and trailer unit briefly became airborne.

A person is dead as emergency services deal with two serious truck crashes in the North Island this morning.

Two people have been freed from the wreckage of a crash that closed a major Wellington road this morning.

A fuel tanker driver escaped without major injuries after his vehicle rolled in Southland this morning.

The death of a 5-year-old girl, killed while out riding her bicycle yesterday, could have been prevented, her family says.

A young Tauranga girl has died when she was hit by a four wheel drive while riding her bike.

A car has crashed down a bank off Maraetai Dr in east Auckland, injuring five people.

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

Woman cyclist in serious but stable condition after being pinned under a truck.