A 16-year-old female driver was seriously injured in a single-vehicle accident along Highlands Drive Northeast at about 9 a.m. March 15, 2015.
The driver, who was the only occupant in the vehicle, was traveling southbound at a high rate of speed along Highlands Drive between Northeast Discovery Drive and Interstate 90.
She lost control of the vehicle, crossed all opposite traffic lanes and went over a guardrail into a wooded area below the roadway.
The driver was transported to Harborview Medical Center with serious injuries.
Issaquah police are on the scene investigating the accident with assistance from the Washington State Patrol. It is unknown at this time if alcohol or drugs were a factor in the crash.
Drivers should prepare for possible delays. Due to the ongoing investigation, only one lane of northbound Highlands Drive is open. All southbound lanes are open.
For additional information, contact the on-duty sergeant at 425-837-3200.