TWIN BRIDGES, Calif. – An 85-year-old motorcyclist is dead after a head-on collision near South Lake Tahoe on Monday morning.

At around 11:15 a.m., a motorcycle traveling east on US-50, just east of Twin Bridges, Calif., crossed into the oncoming lane and collided head-on with an SUV traveling west.

Despite life-saving measures, the motorcycle rider, a male from Lincoln Calif., died at the scene.

It is currently unclear whether drugs or alcohol were a factor.

The California Highway Patrol is investigating and says more information will be released as it becomes available.