A 33-year-old Simsbury woman was killed in a crash that shut down Avon Mountain in Avon and West Hartford around 3 p.m. on Tuesday.
West Hartford police have identified the woman as Kelly Gregory.
She was driving on Route 44, swerved and collided into a SUV that was going westbound, police said on Wednesday.
The man in the SUV was treated at a local hospital for non-life-threatening injuries, police said.
The crash happened on the West Hartford side of the mountain and Route 44 has since reopened.
Renbrook School postponed a concert for grades 4 to 9 due to the road closure.