BRIDGEWATER — A 36-year-old woman was killed early Saturday morning after a head-on collision on Route 67, State Police said. Jessie Mayer, of Bridgewater, was driving a 2000 Volkswagen Jetta south on the state road, when Donald Mcguinness, who was traveling north in a 2000 Dodge Durango, crossed the solid double-painted lines and collided with Mayer around 2:18 a.m., according to an accident report from Connecticut State Police.