WILLIAMSTOWN, Mass. (AP) — One person was killed and three others injured in a head-on crash in Williamstown that occurred during a snowfall.

Police say the woman who died in the Thursday crash on Route 7 was a passenger in a Hyundai Elantra that collided with a Buick Lucerne. She was taken to Baystate Medical Center in Springfield where she was pronounced dead. Each vehicle had two occupants.

Sgt. Scott McGowan tells the North Adams Transcript (http://bit.ly/1hINJYF ) that three other people were taken to Berkshire Medical Center in Pittsfield with injuries that were serious but did not appear life-threatening.

No names were released.

McGowan says while the accident remains under investigation, weather conditions appear to be a factor.

The road was closed for more than six hours after the accident.

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Information from: North Adams (Mass.) Transcript, http://www.thetranscript.com