 Out of loop near Pennsylvania Avenue, the left lane is blocked for the work. In a loop south of town headed towards St. Barnabas Road, the left lane also blocked for the work. Northbound BW Parkway toward Nassau Goddard, a single lane gets you through the work zone there. Traveling in the district, the Natal Summit closures are in place, so read the full list of closures on our website at WTOP.com. The WTOP Traffic Center is presented by Window Nation. Buy two windows, get two free. Visit WindowNation.com. I'm Rob Stallworth, WTOP Traffic.