"Portland Sunday Parkways" bike/pedestrian open streets events for 2026 announced by Portland Bureau of Transportation PBOT: * Southwest Portland, May 17 * East Portland, June 28 * North Portland event, Aug 2 * Downtown Portland, Sept 13 https://www.portland.gov/transportation/news/2026/3/20/news-release-portland-sunday-parkways-announces-2026-season-new-route #cycling #Portland #Oregon #PNW