Police have identified the two women killed in a traffic accident on Route 3 in Trenton Tuesday morning.

Mary Massucco, 75, of Mount Desert and her passenger, Dawn Meardy, 45, of Bar Harbor were killed when their southbound vehicle collided with a commercial truck near Ellsworth Chainsaw shortly before 9 a.m.

The driver of the truck, Adam Keeler, 21, of Trenton, was hospitalized, according to the Hancock County Sheriff's Office.

Police say Massucco's vehicle crossed the center line and into the path of the truck, owned by Lane Construction.

The crash tied up traffic for several hours.

Route 3 was reopened at about 1:45 p.m.