The U Street Corridor or Greater U Street, sometimes known as Cardozo/Shaw, is a neighborhood in Washington, D.C., located in Northwest D.C. Centered along U Street, the neighborhood is one of Washington's most popular nightlife and entertainment districts, as well as one of the most significant African American heritage districts in the c…The U Street Corridor or Greater U Street, sometimes known as Cardozo/Shaw, is a neighborhood in Washington, D.C., located in Northwest D.C. Centered along U Street, the neighborhood is one of Washington's most popular nightlife and entertainment districts, as well as one of the most significant African American heritage districts in the country.