 And in the district, the NATO Summit road closures today are also having a negligible impact on downtown traffic. The bulk of those closures go into effect late tonight and first thing tomorrow. Tomorrow should be the most difficult day to get around. 395, just heavy both ways between the 14th Street Bridge and 3rd Street Tunnel. The dog days of summer are here. Heat, germs, odors. You need Hadid. Get 50% off sanitizing, disinfecting, and pet odor elimination for your rugs. Visit JoeHadid.com. Dave Daldine, WTOP Traffic.