The Mumbai Trans Harbour Link Road, the longest sea link in India, is nearing completion, and will likely be open to the public by November 2023.
Key features MTHL
It connects Mumbai to the mainland:
It starts from Sewri in Mumbai to Chirle in Navi The 22-km-long sea link is the longest in the country and the tenth longest in the world.
The project cost is Rs 17,843 crore.
Use of Orthotropic Steel Deck technology for the first time in India:
The sea link passes through one of the busiest navigational channels leading to Nhava Sheva Port. Orthotropic Steel Decks are special steel decks that enable a span (distance between two piers) that is up to three times longer than the norm.
Reverse Circulation Drilling:
This is the first time this technology was used in India. This is used for laying the pile foundation.
Usually, a vertical drilling method is used to lay a pile foundation. This creates a lot of noise, disturbing the surroundings. This was one of the major reasons for environmentalists to oppose the project. Instead, Reverse Circulation Technology has made a difference.
High Containment Crash Barriers: MMRDA plans to use these on the MTHL. These are special crash barriers that will push the car back on the road in case of a crash. Normal crash barriers only take the impact of a crash.
MTHL will achieve:
Physical and economic development of Navi Mumbai and Raigad district
Faster connectivity with the proposed Navi Mumbai International Airport
Faster connectivity of Mumbai Port and Jawaharlal Nehru Port
Saving in fuel, saving in travel time by about 1 hour due to reduction of distance of about 15 km between Mumbai and Navi Mumbai, Mumbai-Pune Expressway, Mumbai-Goa highway
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