Ugh.
https://mpdc.dc.gov/release/traffic-advisory-95th-annual-national-christmas-tree-lighting
On Thursday, November 30, 2017 the 95th Annual National Christmas Tree Lighting will take place in the District of Columbia. In conjunction with this event, there will be several street closures that motorists should take into consideration:
Thursday, November 30, 2017 from 12:00pm to 8:00pm
•17th Street, NW between Pennsylvania Ave and Constitution Ave, NW
•C Street, NW between 17th and 18th Streets, NW
•D Street, NW between 17th and 18th Streets, NW
•E Street, NW between 17th and 18th Streets, NW
•F Street, NW between 17th and 18th Streets, NW
•G Street, NW between 17th and 18th Streets, NW
•New York Avenue between 17th and 18th Streets, NW
Thursday, November 30, 2017 from 2:00pm to 8:00pm
•Constitution Ave, NW between 18th Street and 14th Street, NW
•15th Street between H Street, NW and Madison Drive, NW
*Traffic will still be allowed to flow south on 15th Street from Madison Drive*
•17th Street between Constitution Ave and Independence Ave, SW
•Pennsylvania Avenue, NW between 14th Street and 15th Street, NW
•E Street, NW between 14th Street and 15th Street, NW
•F Street, NW between 14th Street and 15th Street, NW
•G Street, NW between 14th Street and 15th Street, NW
•New York Avenue, NW between 14th Street and 15th Street, NW
All street closures and listed times are subject to change based upon prevailing or unexpected conditions.