Mumbai-Pune expressway ‘missing link’ project 60% over, to have Asia’s widest tunnel

The tunnel, a part of which is being constructed below the Lonavala lake, uses the controlled-blasting method.

The project is proposed to make the expressway a "zero-fatality corridor". (Pictures Credits: MSRDC)

The “missing link” project on the Mumbai-Pune expressway has attained 60 per cent progress, according to the Maharashtra State Road Development Corporation.

The missing link project, which includes a viaduct and a cable-stayed bridge, will also have a 10.55-km-long tunnel. At 23.75m, it will be the widest tunnel in Asia, according to the corporation. The tunnel, a part of which is being constructed more than 100m below the Lonavala lake, uses the controlled-blasting method.

Mumbai-Pune expressway ‘missing link’ project 60% over, to have Asia’s widest tunnelhttps://t.co/WFGAmW2Vbj pic.twitter.com/zr6qhAOtoE

— The Indian Express (@IndianExpress) November 10, 2022

The project is targeted to be ready by December 2023. Once open to traffic, the missing link will prevent bottlenecks at Khandala, providing for a seamless travelling experience. The project is proposed to make the expressway a “zero-fatality corridor”.

The tunnelling work is undertaken by Navayuga Engineering Company Ltd, while Afcons Infrastructure Pvt Ltd takes care of the viaduct construction.

Alignment: Expressway from Khalapur to Sinhagad Institute (19km)

Length of the missing link project: 13.3km

Distance saved: 5.7km

Time saved: 20-25min

Tunnel length: 10.55km

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The 2.5km of the tunnel passes below the Lonavala lake at a depth varying from 114m to 175m from the bottom.

The project is targeted to be ready by December 2023. (Pictures Credits: MSRDC)

Viaduct length: 0.900km

Cable-stayed bridge: 0.650km long and 82m high

Eight-lane part of the expressway: 5.86km

Tunnel width: 23.75m, highest in Asia

The missing link project, which includes a viaduct and a cable-stayed bridge, will also have a 10.55-km-long tunnel. (Pictures Credits: MSRDC)

Progress till November 10,2022: 60.02%

Proposed completion date: December-2023

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