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到目前为止,全世界已有30多个国家和地区,近70个大城市修筑了地下铁道。 全世界地铁线路的长度:全世界各地的地铁线路的长度加起来,总长大约5000km多。 环球地铁最多的国家:美国有10个城市先后修建了地铁,总长度约达1000km余,居世界第1;前苏联有13个城市修建地铁。拥有地铁线路500km多,居世界第2;日本的地铁也很发达,仅首都东京就拥有地铁
So far, there are more than 30 countries and regions in the world, and nearly 70 major cities have built underground railways. The length of subway lines around the world: The length of subway lines all over the world adds up to a total length of about 5000 km. The countries with the largest number of subways in the world: Ten cities in the United States have successively built subways, with a total length of more than 1,000 km, ranking first in the world; in the former Soviet Union, 13 cities have built subways. More than 500km subway line, ranking second in the world; Japan’s subway is also very developed, only the capital Tokyo has a subway