India’s first undersea road tunnel - Mumbai Coastal Road
ROADS & HIGHWAYS

India’s first undersea road tunnel - Mumbai Coastal Road

MUMBAI COASTAL ROAD

The Municipal Corporation of Greater Mumbai has envisioned The Mumbai Coastal Road project to alleviate Mumbai's traffic congestion. Mumbai Coastal Road is 29.8 km long freeway would run along Mumbai’s western coastline connecting Princess Street Flyover in South Bombay with Kandivali in the northern suburbs.

29.8km long Coastal Road construction is divided in 2 phases. The project’s 10.58 km Phase 1 (southern section) is under construction between Marine Drive and Bandra Worli Sea-link. It comprises of an 8-lane road reclaimed from the sea, bridge on stilts, elevated road, twin-tunnels under Malabar Hills, new green spaces, sea wall / break water wall and multiple interchanges for traffic dispersal. The project’s Phase 2 involves constructing a 19.22 km northern extension between Bandra – Versova – Kandivali comprising of a 9.6 km Bandra-Versova Sea Link with connectors to Bandra (1.17 km), Carter Road (1.80 km) and Juhu Koliwada (2.80 km). Both the Phases are expected to be complete by July, 2023.

With estimated cost of Rs 12,700 crore of Phase-1. The project comprises of 3 civil packages. Package 1 from Priyadarshini Park to Baroda Palace and Package 3 from Princess Street flyover to Priyadarshini Park is bagged by Larsen & Toubro. Package 2 from Baroda Palace to the southern end of Bandra Worli Sea Bridge is bagged by a joint venture between Hindustan Construction Company and Hyundai Development Corporation.

This mammoth project for one of the world’s most congested cities has not been an easy one. It involved the contractors overcoming a number of substantial challenges. The stretch from Marine Drive to Girgaon Chowpatty, where the road would run beneath the sea through a pair of twin tunnels, was the most technically complex part of the project, TBM Mavala- the largest tunnel boring machine are been deployed in India to carry out the tunneling work.

The tunnel, once ready, will be India’s first undersea road tunnel. Besides the tunnel, the complexity involved in the project was the land that needs to be reclaimed. From Malabar Hill to the Sea Link, the Coastal Road will mostly be built on reclaimed land, around 50-70 meters inside the sea.

Coastal Road is projected to be used by 130,000 vehicles daily, the project will result in a better commute and ease of traffic between South Mumbai and the Western suburbs, saving approximately 70% travel time Also, it will result in saving of 34% fuel valued $100 million annually. Moreover, the coastal road will have a dedicated lane for buses and emergency vehicles such as ambulances. Other than these, the enhanced infrastructure in the form of walking paths, cycling and jogging tracks, an open-air theatre and free parking lots at Amarsons, Haji Ali and Worli interchanges with a capacity of 1,652 cars add to the positives. On the environmental side, it will improve the conditions with 91 hectares of green space and provide protection against coastal erosion along with a reduction in the carbon footprint of 1826 Carbon dioxide every year. Last but not the least, the coastal road will be toll-free (green rupee image crossed). In a nutshell, the coastal road will enhance connectivity and will improve living standards and help promote economic growth due to more opportunity of easy connection to many commercial hubs of city.

However, the project has encountered its fair share of protests, 6 PILS, court battles, and a nine-month work suspension along the road. But now the work is fully functional. Cranes, dumpers, trucks and other heavy equipment’s have replaced the sunset view, all the way from Chowpatty beach to Worli, behind yellow barricades are hundreds of workers beavering away round the clock at several of Mumbai’s iconic spots.

Once operational the coastal road will not only help deal with present-day problems but will also ensure that the city’s traffic management becomes ‘future ready’- which is a necessity for Mumbai’s future economic growth.

"Join industry leaders at RAHSTA Expo, India's premier platform for roads, highways and traffic infrastructure. Register now to explore innovations, network with experts and shape the future of mobility."

MUMBAI COASTAL ROAD The Municipal Corporation of Greater Mumbai has envisioned The Mumbai Coastal Road project to alleviate Mumbai's traffic congestion. Mumbai Coastal Road is 29.8 km long freeway would run along Mumbai’s western coastline connecting Princess Street Flyover in South Bombay with Kandivali in the northern suburbs. 29.8km long Coastal Road construction is divided in 2 phases. The project’s 10.58 km Phase 1 (southern section) is under construction between Marine Drive and Bandra Worli Sea-link. It comprises of an 8-lane road reclaimed from the sea, bridge on stilts, elevated road, twin-tunnels under Malabar Hills, new green spaces, sea wall / break water wall and multiple interchanges for traffic dispersal. The project’s Phase 2 involves constructing a 19.22 km northern extension between Bandra – Versova – Kandivali comprising of a 9.6 km Bandra-Versova Sea Link with connectors to Bandra (1.17 km), Carter Road (1.80 km) and Juhu Koliwada (2.80 km). Both the Phases are expected to be complete by July, 2023. With estimated cost of Rs 12,700 crore of Phase-1. The project comprises of 3 civil packages. Package 1 from Priyadarshini Park to Baroda Palace and Package 3 from Princess Street flyover to Priyadarshini Park is bagged by Larsen & Toubro. Package 2 from Baroda Palace to the southern end of Bandra Worli Sea Bridge is bagged by a joint venture between Hindustan Construction Company and Hyundai Development Corporation. This mammoth project for one of the world’s most congested cities has not been an easy one. It involved the contractors overcoming a number of substantial challenges. The stretch from Marine Drive to Girgaon Chowpatty, where the road would run beneath the sea through a pair of twin tunnels, was the most technically complex part of the project, TBM Mavala- the largest tunnel boring machine are been deployed in India to carry out the tunneling work. The tunnel, once ready, will be India’s first undersea road tunnel. Besides the tunnel, the complexity involved in the project was the land that needs to be reclaimed. From Malabar Hill to the Sea Link, the Coastal Road will mostly be built on reclaimed land, around 50-70 meters inside the sea. Coastal Road is projected to be used by 130,000 vehicles daily, the project will result in a better commute and ease of traffic between South Mumbai and the Western suburbs, saving approximately 70% travel time Also, it will result in saving of 34% fuel valued $100 million annually. Moreover, the coastal road will have a dedicated lane for buses and emergency vehicles such as ambulances. Other than these, the enhanced infrastructure in the form of walking paths, cycling and jogging tracks, an open-air theatre and free parking lots at Amarsons, Haji Ali and Worli interchanges with a capacity of 1,652 cars add to the positives. On the environmental side, it will improve the conditions with 91 hectares of green space and provide protection against coastal erosion along with a reduction in the carbon footprint of 1826 Carbon dioxide every year. Last but not the least, the coastal road will be toll-free (green rupee image crossed). In a nutshell, the coastal road will enhance connectivity and will improve living standards and help promote economic growth due to more opportunity of easy connection to many commercial hubs of city. However, the project has encountered its fair share of protests, 6 PILS, court battles, and a nine-month work suspension along the road. But now the work is fully functional. Cranes, dumpers, trucks and other heavy equipment’s have replaced the sunset view, all the way from Chowpatty beach to Worli, behind yellow barricades are hundreds of workers beavering away round the clock at several of Mumbai’s iconic spots. Once operational the coastal road will not only help deal with present-day problems but will also ensure that the city’s traffic management becomes ‘future ready’- which is a necessity for Mumbai’s future economic growth.

Next Story
Infrastructure Urban

ABS Marine Sees CRISIL Credit Rating Upgrade

ABS Marine Services has secured an upgrade to its long term and short term credit ratings from CRISIL, reflecting improved profitability and revenue growth through long term contracts. CRISIL moved the long term rating from BBB+/Stable to A-/Stable and revised the short term rating from A2 to A2+. The action signals strengthened financial metrics and operational resilience. The company benefited from durable client relationships with firms such as ONGC and Schlumberger. The rating decision followed stronger cash flows and an enlarged bank loan facility, which increased from Rs 3,705 million (m..

Next Story
Infrastructure Transport

Project BRAHMANK Marks 16 Years Of Strategic Roads In Arunachal

Project BRAHMANK is marking 16 years of work to establish strategic road and bridge links across Arunachal Pradesh, maintaining and developing 811 kilometres of roads and nearly 86 bridges that range from small culverts to large steel and arch bridges. These transport links are described as critical for ensuring year-round movement of defence personnel, equipment and essential supplies while improving everyday travel for people in remote villages. The project balances national security requirements with regional development by focusing on reliable access in challenging terrain. Notable enginee..

Next Story
Infrastructure Transport

Longleng CSOs Give One Week Ultimatum Over Two-Lane Highway

Civil society organisations (CSOs) in Longleng district have demanded immediate restoration of the deteriorating Changtongya–Longleng two-lane road and sought a detailed status report on the stalled construction within one week. The demand followed a consultative meeting convened under the Phom Peoples' Council (PPC) to discuss welfare and development concerns. PPC president YB Angam Phom said prolonged non-maintenance had caused hardship to commuters and affected transportation, local commerce and the district's development. The meeting urged authorities to undertake immediate restoration a..

Advertisement

Subscribe to Our Newsletter

Get daily newsletters around different themes from Construction world.

STAY CONNECTED

Advertisement

Advertisement

Advertisement