Streetcars in North America Streetcars in North America Electric streetcars or trolley(car)s (North American English for the European word "tram") were once the chief mode of public transit in hundreds of North American cities and towns. Most of the original urban streetcar systems were either dismantled in the mid-20th century or converted to other modes of operation, such as light rail. Today, only Toronto still operates a streetcar network essentially unchanged in layout and mode of operation. Older surviving lines and systems in Boston, Cleveland, Mexico City, Newark, Philadelphia, Pittsburgh, and San Francisco were often infrastructure-heavy systems with tunnels, dedicated right-of-way, and long travel
Sports in North America North America. Among the major events, the US Open, one of the four Grand Slam events, is held annually at the USTA Billie Jean King National Tennis Center in New York City. The Women's Tennis Association, the principal organizing body of women's professional tennis, is headquartered in St. Petersburg, Florida. Tennis Canada, the Central American & Caribbean Tennis Confederation, and the United States Tennis Association are the regional member organizations of the International Tennis Federation, and help organize various events in their respective areas of North America. Sports in North America There is a wide variety of organized sports in