Detectives are searching for additional witnesses to the injury collision that occurred on eastbound Interstate 90 on March 18th just after midnight in which a silver Chevrolet Impala struck the left and right barrier in the Mount Baker Tunnel.

The Impala was blocking the lanes following the collision.

Anyone who observed the collision or the scene following the collision is asked to call Detective Russ Haake at (425) 401-7717.