Science, Maths & Technology
The world's busiest railway - Mumbai, India and rail
...families in the suburbs but rely on the mega city of Mumbai for work. They are the commuters cramming themselves onto Mumbai’s crowded suburban trains, making more than 2.5 billion journeys per year. The trains are busy, hot and the city’s transport network is tested to its very limits daily. The equivalent traffic of all 270 stations of the London tube network,...