Kitsap County Sheriff's Office deputies said it appears the girls' car, a Toyota Camry, and the 1997 Toyota pickup had passed each other a few times while joy-riding or racing, and both were traveling well in excess of the posted 35-mph speed limit.
The driver of the pickup, 20-year-old Robert Rundquist, Jr, stopped and returned to the scene after the crash. He was arrested and booked into Kitsap County jail. He was charged Tuesday with two counts of vehicular manslaughter
Deputies and emergency personnel responded to the scene, at Baby Doll Road East and East Lasalle Street, at about 9:40 p.m. after receiving 911 calls about a serious crash.
The 18-year-old driver of the Camry, Rebbekah Barret, and her 17-year-old front-seat passenger, Shanaia Bennett, suffered massive injuries and were both pronounced dead at the scene. A 17-year-old girl in the back seat was taken to Tacoma General Hospital for treatment of non-life-threatening injuries.
Witnesses told investigators that the pickup and Camry passed each other multiple times at high speed while heading northbound on Baby Doll Road. At one point, witnesses saw the two vehicles traveling side by side at speeds well over the speed limit.
As the Camry was attempting to pass the pickup again, it came up on an SUV that also was heading north ahead of the girls' car. At that point the Camry began to skid and the driver lost control of the car.
The vehicle veered off of the roadway to the left and crashed into a large tree before coming to a rest in the ditch.
Rundquist is being held on $110,000 bail.
Michael Shannon of the Kitsap County Sheriff's Office said it does not appear that drugs or alcohol played a role in the crash.
Residents in the area said they had tires skidding on the wet pavement before the car hit the tree, caving in the passenger-side door.