From DDOT:
The District Department of Transportation (DDOT) will be closing the two westbound lanes on K Street NW near 22nd Street NW from 10:30 p.m. on Friday, June 14, 2013 to 5 a.m. on Monday, June 17, 2013. Eastbound K Street NW will remain open during this closure.
This closure is required to allow crews to conduct repair and preservation work on the 22nd Street NW Bridge over K Street NW. Signed detours will be posted during the closure.
DETOUR
Westbound K Street NW traffic will be directed to enter the service roadway, proceed halfway around Washington Circle and then merge onto the westbound service roadway to K Street NW.