Mumbai-Ahmedabad Bullet Train Project: Construction on track for Maharashtra region – 7 tunnels, 3 stations and 124 km of viaducts and bridges – Railways News

The construction of the 135 km long elevated section of the Mumbai-Ahmedabad Bullet Train corridor presents a significant challenge in this ambitious high-speed rail project. Spanning from Shilphata to Zaroli village near the Gujarat-Maharashtra border, this section will traverse 95 villages and towns across the Mumbai Metropolitan Region, including Thane and Palghar districts.

Key highlights of this complex construction include an extensive network of viaducts and bridges. Of the 135 km, 124 km will be composed of viaducts and bridges, incorporating 11 steel bridges. Notably, the section will feature seven mountain tunnels, adding to the engineering complexity.

As construction advances, this crucial section of the Mumbai-Ahmedabad Bullet Train project is edging closer to revolutionising travel in the region. By addressing complex engineering challenges and navigating densely populated areas and protected wildlife sanctuaries, this segment of the corridor is set to significantly reduce travel time and enhance regional connectivity.

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Bullet train to cross major railways and metro lines

The infrastructure will also involve crossings over several critical transport lines and highways. The alignment will intersect with Central and Western Railway lines, the Dedicated Freight Corridor, the Mumbai suburban line, and the elevated Mumbai Metro Line 5. It will also span major highways such as National Highway-48 and the Mumbai-Agra National Highway-3.

Massive bridges over Ulhas and Vaitarna rivers

Among the most daunting challenges is the construction of river bridges. The section will include bridges over four major rivers, with the most significant being a 460-meter steel bridge over the Ulhas River. This bridge will be the heaviest steel structure in the project, weighing 9,672 metric tons. Additionally, the longest bridge on the corridor will stretch 2.32 km over the Vaitarna River.

Bullet train project to minimise environmental impact

The alignment also passes through ecologically sensitive areas, touching the Sanjay Gandhi National Park (SGNP) and the Tungareshwar Wildlife Sanctuary (TWS). Special measures are being implemented to minimise environmental impact and preserve the local wildlife habitats.

Construction progress has been notable, with geotechnical investigations nearing completion, work on mountain tunnels underway, and approximately 265 open foundations (about 11 km) for pier work already finished. Foundation work has also commenced at Boisar and Virar stations.

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