The Washington State Convention Center is a convention center in Seattle, Washington. It is notable for spanning the Interstate 5 freeway.Planned expansionThe convention center is planning a $1.6 billion expansion that includes 440,000sqft of exhibition space in a new five-story building to be located at the site of the Convention Place transit station, part of the Downtown Seattle Transit Tunnel. It is the most expensive and largest project underway amidst Seattle’s historic construction boom. The station is expected to close to buses in 2017 in preparation for the opening of the Northgate Link Extension and construction is expected to begin shortly thereafter, with a potential opening in 2020.EventsAAI Immunology Annual Meeting 2016Emerald City ComiCon 2008, 2009, 2010, 2011, 2012, 2013, 2014. 2015, 2016. Will return in 2017.Penny Arcade Expo 2007, 2008, 2009, 2010. 2011, 2012, 2013, 2014, 2015, 2016. Will return in 2017.Sakura-Con 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016. Will return in 2017.TESOL Convention 1998, 2007, 2017.WTO Ministerial Conference of 1999NECA Show 2009Phi Theta Kappa Convention 2011International Conference on Robotics and Automation in 2015
