ALERT: As of March 1, the contract between EvergreenHealth and United Healthcare has terminated. We've developed an FAQ page to help you understand why these continued negotiations are happening and how United customers may be impacted. | ALERT: All lanes of northbound I-405 at the SR 522 Interchange and all lanes of southbound I-405 from SR 527 to SR 522 will be closed from 6 p.m. Saturday, March 7, to 4 a.m. Monday, March 9.