Kauai officials say a motorcyclist was heading north on Kuhio highway when he was struck by a car turning left onto Lanikai Street from the highway.
The crash happened on Kuhio highway fronting Kintaro Restaurant around 5 p.m.
The 52-year-old man from Kapaa was transported to Wilcox Hospital where he was pronounced dead.
According to Kauai Police he was wearing a helmet at the time of the crash.
The driver of the car was a 82-year-old woman of Kapaa.
Officials transported her to Wilcox Hospital with non-life threatening injuries.
Kuhio highway is now reopened.