Honolulu police responded to a report of a lone motorcycle crash on the Pali Highway Friday night.
The call came in at 11:12 p.m. of the crash on the highway Kailua-bound.
A 20-year-old male from Kailua lost control of the motorcycle. He was wearing a helmet.
He was taken to an area hospital in critical condition.
It is unknown if speed and/or alcohol were factors in the crash.