A 73-year-old man was killed Saturday in a crash from I-90 onto the Snoqualmie Valley trail.
Trooper Rick Johnson, with the Washington State Patrol, said the man was traveling eastbound when he drove off the left shoulder and down onto the trail under I-90.
Only one vehicle was involved.
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Early investigations point toward high speed, distraction and a potential medical condition as factors that may have contributed to the crash, Johnson wrote Saturday.