Open problems · Cities, housing & transport
Mumbai housing and transport
Mumbai has struggled for decades with slums, high housing costs, potholes and deaths on its suburban trains.
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DiscussionOpen for ideas, evidence and questions.
What we know
Slums, housing costs, potholes and deaths on suburban trains are long-unsolved problems in Mumbai. The suburban-train accident at Mumbra in June 2025 is one recent example.
Open questions
- How many people die on Mumbai's suburban railway each year, and at which stations?
- How much does the city spend on fixing potholes each year, and how often are the same roads repaired?
- What has worked for crowded commuter railways in other large cities?
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