Exceptions to this nomenclature include the names of the streets that line the National Mall.
Major interstates running through the area include the Capital Beltway (I-495), I-66, I-95, I-395 (also called the Southwest/Southeast Freeway in D.C. or Shirley Highway in Virginia), I-295 (also called the Anacostia Freeway or Kenilworth Avenue), and I-270 (which does not reach D.C., terminating at I-495).