The three-mile stretch will be filled with events and activities meant to get people thinking differently about streets.

The Post’s Dr. Gridlock reports that at this hour, a stretch of Route 1 in Alexandria is closed in both directions after being inundated by the heavy rainfall that swept through the area this morning.

Consider alternate routes around the Wilson Bridge this evening, as WTOP is reporting a serious motorcycle crash on the Inner Loop of the Beltway near the bridge. An AlertDC email at 2:33 p.m. said that the Woodrow Wilson Bridge is actually closed at this time. The Outer Loop remains open. WTOP says that emergency personnel and officials are asking all motorists to stay off the shoulders, even though all lanes are currently blocked. Photo by…