A 95-year-old woman died at a hospital following a collision Sunday afternoon in unincorporated Contra Costa County near Brentwood, California Highway Patrol officials said.
CHP officers were called at 4:11 p.m. and told of a collision involving three vehicles at Vasco and Marsh Creek roads.
According to a preliminary investigation, a red Cadillac was traveling south on Vasco Road approaching Marsh Creek Road when a white Hyundai made a left turn in front of the Cadillac.
The Cadillac struck the Hyundai, which careened through the intersection and hit a light pole, CHP Officials said.
The Cadillac then hit a black Honda that was stopped on the other side of the intersection.
CHP officials said two people in the Cadillac were taken to Sutter Delta Medical Center in Antioch with minor injuries.
The driver of the Honda escaped injury.
The driver of the Hyundai and his 95-year-old female passenger were injured and taken to John Muir Medical Center in Walnut Creek.
The woman died there at 7:13 p.m. The driver is in stable condition.
Neither alcohol nor drugs played a part in the collision, CHP officials said. But the cause and how the traffic signals may have played a part in it are under investigation.
Anyone who saw the collision or the events leading up to it is asked to call CHP Officer Smith at (925) 646-4980.