Photo: Google Maps
Police said the crash happened at 3.30pm and all three people died at the scene.
"We acknowledge that this is tragic news for the tight-knit community in Waiuku," a spokesperson said.
Hato Hone St John said two helicopters, an ambulance, and a rapid response vehicle all responded to the crash.
Masters Road is closed between Kidd Road and Waiuku Road.
St John says two operations managers also resonded.
A police spokesperson said the Serious Crash Unit was at the scene and would carry out an investigation to figure out what happened.
