BUTTE, Mont. -

A California man has died in a motorcycle crash on Interstate 90 southeast of Butte.
    
The Montana Highway Patrol says the man was westbound on Homestake Pass at about 10:30 a.m. Monday when his motorcycle hit a guardrail. He died at the scene.
    
The man, who was in his 50s, left Billings Monday morning with other members of a motorcycle club.
    
Troopers were withholding the man's name until family members could be notified.