A serious crash shut down part of SR-18 near the Tiger Mountain summit this morning after a semi allegedly caused a motorcycle to crash on SR-18.
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The crash had completely blocked the eastbound section of the highway when the initial report went out to the Washington State Patrol around 8:45 a.m.
#Breaking EB SR 18 is completely blocked near Tiger Mt. summit due to a semi/motorcycle collision. Passenger from motorcycle has serious injuries. Witnesses advised the semi forced the motorcycle into the barrier. Updates to come.
— Trooper Rick Johnson (@wspd2pio) August 14, 2026
Witnesses at Scene Say Semi Forced Motorcycle Into Barrier
The witness account says they saw the semi force the motorcycle into a barrier, but that has not been confirmed by investigators…