An Oak Harbor woman was seriously injured in a one-car accident on North Whidbey Thursday night.

The Washington State Patrol reported that Oak Harbor resident Samantha Faucher, 49, was driving a 2000 Ford Mustang west on Crosby Road and failed to negotiate a curve in the road. The car struck a large generator.

The crash was reported at 9:47 p.m.

Faucher was injured and transported to Harborview Medical Center in Seattle for treatment. She was listed in serious condition Friday.

The passenger, 48-year-old Dana Fuller of Monmouth, Ill., was also injured and transported to WhidbeyHealth Medical Center for treatment.

The State Patrol reported that drugs or alcohol were involved in the cause of the crash. The memo on the accident states that the cause is under investigation and that possible charges are pending.

According to the State Patrol, it’s unknown whether the driver or the passenger were wearing seat belts. The car was totaled.