Update to Multi-Vehicle Collision I-5/SR 18
King County: The Washington State Patrol (WSP) continues to investigate an injury collision that occurred on Monday, March 21, 2016, at approximately 7:18 pm. The collision, on SB I-5/SR 18, involved four vehicles and sent four people to the hospital.
The driver of a 1999 Honda CRV, a 26-year-old female from Federal Way, was taken to Harborview Medical Center in critical condition. She has since been upgraded to serious condition with broken bones.
The suspect and causing driver, a 34-year-old male from Seattle, was booked into King County Jail for vehicular assault and two outstanding felony warrants; $500,000 ID theft (Seattle) and no bail, escape from community custody (Olympia.) Troopers believe that the suspect was impaired by drugs. Toxicology results are pending.
Investigators believe that the suspect was driving at a high-rate of speed on the right shoulder of I-5 near 320thSt.  As he re-entered the regular lanes of traffic, his vehicle struck the Honda CRV. Two other vehicles were also struck after the initial impact.
Anyone with information about this collision is asked to call or contact Detective Russ Haake at russ.haake@wsp.wa.gov or 425-401-7717.