A crash on the 401 in Chatham early Sunday morning has claimed a life.

Police and emergency crews were called out to a single vehicle accident near Orford Rd about 1 am.

The vehicle was westbound when it left the road and came to rest in a treeline.

A 37 year old Windsor woman was pronounced dead at the scene.

No ID has been released.

The Westbound lanes of the highway were closed for about 7 hours for the investigation but have since reopened.