Bayberry Lane in Westport is closed from Long Lots Road to Cross Highway and will remain closed until later this evening.
Police said a vehicle was traveling north on Bayberry Lane and hit a Connecticut Light and Power pole near the Cross Highway intersection.
Only local traffic will be allowed to travel on that portion of Bayberry Lane by entering from Long Lots Road.
One person was in the car and was not hurt, according to police.
The crash is under investigation.