A motorcyclist died in a crash near the Golden Gate Bridge early Wednesday morning.

The crash happened at about 3 a.m. on southbound Highway 101 just north of the toll plaza in San Francisco. California Highway Patrol Officer Arthur Tellez said the motorcyclist, who was on a Kawasaki Ninja, was pronounced dead at the crash site.

Tellez said the crash is under investigation and police do not know whether intoxication was a factor.

The San Francisco Medical Examiner’s Office did not identify the victim.