FYI, they will be closing this section of the road (https://www.waze.com/editor/?env=usa&lon=-122.05986&lat=47.57603&s=70753559&zoom=3&segments=82901375) starting at 11am on 5/11 for the entire summer. Per Sammamish City FB page (https://www.facebook.com/CityofSammamishWA/?hc_ref=PAGES_TIMELINE&fref=nf). Thank you! 
Thanks for the info. I am closing this until Oct 1st. Please let me know if it opens before then.