Shannon, 23, was driving Kaitlin home from work when the fatal crash happened.
They were travelling north near the Paierau Road bridge when they collided with an oncoming car driven by a young man at about 6.15pm on Friday, cover for galaxy s3
according to Masterton fire station officer Garry Nielsen.
The male drivers suffered moderate injuries in the crash.
Wairarapa College student Kaitlin, 16, is in Wellington Hospital in a stable condition..
Kay Pankhurst, the girl’s aunt, described Shannon as an ‘awesome young lady’ and a ‘really special person’, reports Fairfax Media.
She said: “She was a hardworking farm girl.
“She was the more outgoing and bubbly one and always made an effort to chat. When she was a kid we always used to say she had real spunk cloud computing companies
Kaitlin didn’t initially know her sister had died but the close-knit family made the decision to tell the injured teenager.
The girls’ parents, Ian and Linda Buick, are keeping a vigil at Kaitlin’s bed side.
Mrs Pankhurst said: ‘She (Kaitlin) is doing OK. It is every parent’s worst nightmare and these guys are living it.”
Shannon had a promising career ahead of her having graduated from Massey University with a degree in animal science and she had just taken on full time job as at Masterton stockfeed supplier Seeds & Cereal.
The distraught aunt added: “Her life was ahead of her, things were falling into place.
“That’s the hardest thing about it. She loved animals and had volunteered at the SPCA.”
Firefighter Mr Nielson said Shannon was killed instantly in the crash and fire crews had to quickly clear the road wigs long hair
, which was congested with heavy traffic, to allow a rapid extrication of Kaitlin "who was in desperate need of medical treatment - it was time critical".
Serious Crash Unit investigations were ongoing and although it was not known what caused the collision, both cars were found in the northbound lane, in which the sisters had been driving.
Police were awaiting the results of alcohol samples taken from both drivers but no charges had yet been laid, he said.
Police are still appealing for witnesses or for anyone who had helped at the scene.