In three years, it was significantly expanded and converted to electricity, but during that time Budapest became the first European city to possess a fully electric system.
The first began operation in 1863 in London under steam power. In three years, it was significantly expanded and converted to electricity, but during that time Budapest became the first European city to possess a fully electric system. The first opened in the United States in Boston in 1897, and it was followed in seven years by New York's nine-mile system. Since then, the fledgling system has expanded to several hundred miles and is the largest in the world. FTP, identify this underground transportation innovation which shares the name of a nationwide hoagie chain.
The first began operation in 1863 in London under steam power.
{subway}