Anacostia River

The reopening of the ramp, closed since spring 2008, is a milestone in the nearly completed reconstruction of the 11th Street SW Bridge over D Street and the railroad tracks.

For commuters, it means easier access to downtown Washington from the freeway..

Source: http://voices.washingtonpost.com/dr-gridlock/2010/08/the_week_ahead_for_traffic_tra_4.html