Two Sierra Vista residents killed in a two-vehicle, head-on crash on Arizona 90 March 7 were identified as Pedro O. Penalver and Maria del Carmen Rouco-Machin, police said.
The third person killed in the crash, Huachuca City resident Timothy David Straight, 49, was identified March 8. Straight was driving a 2005 red Mitsubishi SUV that drifted into oncoming traffic while traveling east on the highway, Sierra Vista Police Department officials said.
The SUV crashed into a 2004 black Chevrolet truck that was traveling west on the highway. Penalver, 61, and Rouco-Machin, 73, were traveling in the truck.
All three were pronounced dead at the scene.
The crash occurred shortly after 1 p.m. just west of North Seventh Street, said Cpl. Tim Wachtel, a Sierra Vista Police Department spokesman.