Thane to Borivali: India’s Longest and Largest Urban Tunnel

Prime Minister Narendra Modi inaugurated India’s longest and largest urban tunnel project, the Thane Borivali Twin Tunnel, developed by the Mumbai Metropolitan Region Development Authority (MMRDA). This Rs. 16,600 crore project will reduce travel time between Thane and Borivali from over an hour to just 12 minutes, cutting the travel distance by 12 km. This initiative is part of broader infrastructure projects worth Rs. 29,000 crore aimed at enhancing connectivity in Mumbai.