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Atal Setu

By Amigos IAS

Why is it in the news?

  • Recently inaugurated by Prime Minister Modi, the Mumbai Trans Harbour Link (MTHL), also known as Atal Setu, is a transformative infrastructure project in Maharashtra.

Key Features

  • The bridge spans a total length of 21.8 kilometres.
  • It comprises a remarkable 16.5 kilometres over the sea and an additional 5.5 kilometres on land.
  • Constructed at a cost of approximately ₹17,840 crore.
  • Built with state-of-the-art, corrosion-resistant materials.
  • Engineered to withstand a range of challenges, including earthquakes, cyclones, high wind pressures, and tidal forces.
  • Equipped with cutting-edge technology to ensure a smooth commuting experience.
  • Features an Intelligent Traffic Management System for efficient traffic flow.
  • Incorporates a Video Incident Detection System for real-time monitoring and incident detection.
  • Implements a Speed Enforcement System to maintain safe speeds on the bridge.
  • Emergency Call Boxes are strategically placed for immediate communication during emergencies.



  • Atal Setu holds the distinction of being the longest bridge in the country.
  • It also claims the title of the longest sea bridge in India.
  • The bridge has a profound impact on connectivity, reducing the travel time between Mumbai and Navi Mumbai from 2 hours to just 20 minutes.

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