wikipedia:Interstate 80Interstate 80/w:Interstate 580 (California)580 is a major freeway in the w:San Francisco Bay AreaSan Francisco Bay Area.



  • A road designed for safe, high-speed operation of motor vehicles through the elimination of at-grade intersections, usually divided and having at least two lanes in each direction; a dual carriageway with no at-grade crossings, a motorway.
  • A toll-free highway.


Similar words


  • free + way

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