Peter Anderson, 54, of Clarksburg died in early Friday morning, according to the district attorney's office.
Anderson was riding eastbound on Main Street just before midnight when he traveled off the road and struck a telephone pole. The accident reportedly happened near the Colonial Shopping Plaza. He was taken to Berkshire Medical Center in Pittsfield where he later succumbed to his injuries.
Williamstown Police, the State Police Detective Unit assigned to the Berkshire District Attorney's Office, the State Police Collision Analysis and Reconstruction Section, and State Police Crime Scene Services responded to the scene.
A Cheshire man was killed April 19 when his motorcycle collided with a car near Walmart in North Adams and a Pittsfield teenager died April 24 when his motorcycle hit a guardrail.