The much anticipated Mumbai Trans Harbour Link (MTHL) is a significant infrastructure project in Mumbai, aimed at improving connectivity between Mumbai and Navi Mumbai. The project involves the construction of a bridge or sea link across the Mumbai Bay. The project is named Atal Setu in honor of former Prime Minister Atal Bihari Vajpayee. The engineering marvel costing Rs 17,843 crore has many unique features, let us take a look at some of them: