Alas, as feared, Mr. Astoria Bike slept through the first Summer Streets. Mr. Astoria Bike is not an early riser. In fact, I was thinking of going to Summer Streets to watch the beginning. But at 7am, I figured there wasn't much to watch. And bed was a much better option.
Streetsblog, on the other hand, get the worm. Scroll down a bit for their extensive coverage.