Answer:
About 30 million people call this huge urban area home – that's almost 38,000 people per square mile! The city grew very quickly after World War II, and as a result, streets are narrow, crowded, and jammed with traffic at all times of day. To adapt, the Japanese government has invested billions of dollars in rail transportation. The city has one of the most extensive rail networks in the world, and more than 10 million people take a train to work each day
Explanation:
