 Both streets follow the NE, NW, SE, SW rule.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).Other major highways include the Whitehurst Freeway, in D.C., the George Washington Parkway in Virginia, the Rock Creek Parkway in D.C., the Suitland Parkway in D.C. and Maryland, US Route 50, the Clara Barton Parkway and the Baltimore-Washington Parkway in Maryland, and the Dulles Toll Road in Virginia.