Home Industry News Seattle City Council Paves Way for Washington State Convention Center Addition Industry NewsNews Releases Seattle City Council Paves Way for Washington State Convention Center Addition May 10, 2018 Facebook Twitter WhatsApp Linkedin ReddIt Email Unanimous, 9-0 vote a major milestone, enabling project to begin this summer SEATTLE (May 9, 2018) âThank you for your interest in The Registry. You must Subscribe or Log In to read the rest of this content.