A deadly Friday evening traffic accident in Waialua has brought the count of traffic fatalities to four since the start of the year.

According to Honolulu police, a 26-year-old man was traveling northbound on Kaukonahua Road, when he lost control of his Suzuki motorcycle along the “S” turn, north of Wilikina Drive.

Police said the man hit the roadway and was then struck by a Ford sedan, which was traveling in the opposite direction.

The 22-year-old driver of the sedan was not injured in the accident, which occurred about 6:35 p.m.

Police said the motorcyclist was transported to a hospital in “extremely critical condition.” He later died at the hospital from his injuries, they said.

The motorcyclist was wearing a helmet.

Police said speed appeared to be a factor in the incident, which is still under investigation. Officials have not determined if drugs or alcohol contributed to the accident.

The Honolulu Medical Examiner’s Office has identified the victim, but said they were not releasing his name pending notification of his family.