 A lot of closures already in place and will remain that way until about midnight. Some of the main closures that are going on include the 12th Street Tunnel. The Memorial Bridge is closed. Southbound Rock Creek Parkway at Virginia Avenue. Portions of Constitution and Independence are closed. If you're going across the Roosevelt Bridge, you're only going to be able to continue toward the Whitehurst Freeway and K Street. All the other ramps are going to be blocked off.