The United Arab Emirates (UAE) is actively developing an ambitious plan to construct an underwater train that would connect Dubai to Mumbai, India, covering a distance of approximately 1,200 miles (2,000 km). The project is designed to establish a unique transportation link between the two cities for both people and the transportation of goods, including water and oil.

Originally proposed as a conceptual idea in 2018, the Dubai to Mumbai underwater train project is now progressing towards practical implementation. The UAE’s National Advisor Bureau is working on developing a detailed plan for the railway and designing the specific train required for this innovative endeavor.

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While the UAE and India share a strong relationship, there may be additional motivations for Dubai’s interest in this underwater train project. Saudi Arabia has emerged as a significant regional competitor, launching ambitious projects with substantial financial backing.

One prominent example is NEOM, a project that includes the extravagant LINE, aiming to create a vast city extending from the desert to the sea. This venture is highly ambitious and costly, with the entire NEOM project expected to have a price tag of around $1 trillion, with the LINE segment accounting for $500 billion of that total.