Mumbai Trans Harbour Link (MTHL), also known as Sewri-Nhava Sheva Trans Harbour Link, is a proposed 22 km, freeway grade road bridge connecting the Indian city of Mumbai with Navi Mumbai, its satellite city. When completed, it would be the longest sea bridge in India.
- 6 lane highway, 1 emergency lane
- Total length :22 kilometres (14 mi)
- Width: 27 metres (89 ft)
- Construction cost:₹17,700 crore (US$2.6 billion)
- 16.5 km of the MTHL will be in the sea and 5.5 km on land.
The bridge will begin in Sewri, South Mumbai and cross Thane Creek north of Elephanta Island and will terminate at Chirle village, near Nhava Sheva. The road will be linked to the Mumbai Pune Expressway in the east, and to the proposed Western Freeway in the west.