A bird's-eye view of I-5 from the Seattlest Flickr Pool, thanks to subactive photos Usually, when traffic is dawdling on I-5 at 30 m.p.h., we're longing for the arterial: same speed, fewer Seattle drivers. But starting next year, the Washington State Department of Transportation (WSDOT) may be intentionally slowing down drivers on I-5 in hopes that it will ease traffic. The $25 million dollar project will focus on a six-mile stretch of I-5 where......