ALERT: As of March 6, EvergreenHealth and United Healthcare have reached an agreement on a new contract, allowing EvergreenHealth to remain a participating provider in United's network. We've developed an FAQ page to help you understand why these negotiations were necessary. | 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 9 p.m. Friday, March 13, to 4 a.m. Monday, March 16.