UPDATE 6:50 PM: I90 is clear in both directions
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UPDATE 4:47 PM: Westbound I-90 at SR 18 all traffic is being diverted off I-90 onto SR 18.
Eastbound traffic at I-90 at SR 18. Traffic is open to one lane only.
AVOID THE AREA
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At approximately 4 pm on Saturday, September 18th, during a rain squall, there was a two-vehicle fatality crash on I-90 Westbound just before the Preston/Fall City exit.
All lanes are blocked, and traffic is being diverted to SR18. The Washington State Patrol is advising drivers to avoid the area.
According to the WSDOT Traffic Twitter account, there is also a collision on I-90 eastbound just west of SR 18, blocking the left lane.
Medical Aid, Fire Assistance, the Incident Response Team, and the State Patrol have arrived on the scene of both crashes.
Story developing
