 between 14th Street as you approach Ohio Drive at Potomac Park's exit 2. Southbound 395 dealing with copycat slow traffic in Potomac Park. Southbound delays between Potomac Park's exit 2 and 14th Street as you approach the southwest of freeways exit 1. Also this hour, traffic dealing with an accident on 15th Street at Constitution Avenue in northwest D.C. while traffic in Prince George's County is jammed in Landover on the outer loop between Landover Roads 202 and Route 50 with minimal traffic delays.