What happens if I was arrested for DUI on I-90 coming back from the Snoqualmie Casino?

Washington State Patrol arrests on I-90 in King County are filed in King County District Court, not a municipal court. Depending on the trooper's assignment, the case routes to the East Division courthouse in Issaquah or the Redmond courthouse. The King County Prosecutor's Office East Division handles the prosecution rather than a contract city prosecutor, which changes the negotiation landscape. Stops along this corridor most often begin with speeding on the downhill grades or weaving observed after leaving the casino — both areas where the reliability of the officer's observations is frequently a productive subject for defense challenges.