Science, Maths & Technology
The world's busiest railway - Mumbai, India and rail
...religion and politics. But India’s railways, a complex network, with the densest commuter services in the world, are an extraordinary example of engineering, technology and systems in action. India’s busiest city, Mumbai, is right at the heart of the world’s busiest railway. Mumbai is situated on a peninsula of land on the west coast of India, surrounded by the...