Police said both vehicles were found overturned in the road after the early morning crash Saturday. The victim was identified as 18-year-old Monica Demello of Middleborough.
Police say 23-year-old Kathleen Allen, also of Middleborough, was arrested on charges including vehicular homicide and driving under the influence. She is to be arraigned in Wareham District Court on Monday.
A passenger in Allen’s pickup truck was injured and taken to a Boston hospital.