US EditionSecond Breakthrough in Palghar for Mumbai-Ahmedabad Bullet Train
The MT-6 tunnel in Palghar is 47% complete using New Austrian Tunneling Method, part of 27.4 km of tunnels for the 508-km Mumbai-Ahmedabad bullet train, officials said.
- On Tuesday, the Mumbai-Ahmedabad high-speed rail corridor recorded its second tunnel breakthrough in Palghar district, with the 454 m long and 14.4 m wide MT-6 tunnel nearly 47% complete.
- Because geology was irregular, engineers employed the New Austrian Tunnelling Method using controlled drill-and-blast and excavation from both ends as tunnel boring machines were unsuitable.
- Railways officials reported the excavation timeline as 12 months, with seven mountain tunnels in Palghar and eight surface tunnels overall under construction.
- Track laying and electrification are advancing, and officials say the Surat-to-Bilimora section is slated to open on August 15, 2027.
- Cost revisions show the estimate rising to Rs 1.98 lakh crore, and as of January 27, 2026, about 334 km of viaducts, 17 river bridges, and 12 major crossings are complete, with a December 2029 completion target.
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Railways Minister Announces Second Mountain Tunnel in Palghar for Bullet Train Project
Get latest articles and stories on Business at LatestLY. This tunnel is 454 metres long with a width of 14.4 metres, and will accommodate both up and down tracks for the Mumbai-Ahmedabad Bullet Train project, according to an official release issued by the Ministry of Railways. Business News | Railways Minister Announces Second Mountain Tunnel in Palghar for Bullet Train Project.
Mumbai-Ahmedabad bullet train achieves second mountain tunnel breakthrough in Palghar
The newly completed tunnel, MT 6, is 454 metres long and 14.4 metres wide, and is designed to carry both up and down tracks of the high speed rail corridor. This is the second tunnel breakthrough in Palghar in a month.
Second Breakthrough in Palghar for Mumbai-Ahmedabad Bullet Train
The Mumbai-Ahmedabad bullet train project marked its second tunnel breakthrough in a month in Palghar, Maharashtra. Achieved using the NATM technique, the MT-6 tunnel is part of India's only high-speed rail project. The 508-km corridor will connect Mumbai and Ahmedabad, with construction ongoing across multiple sites.
Times of India
Maharashtra: Second Mountain Tunnel of Bullet Train Project set for breakthrough in Palghar
A major breakthrough has been achieved in the second mountain tunnel in Palghar district of Maharashtra. This tunnel is 454 meters long and 14.4 meters wide, and it will accommodate both the 'up' and 'down' tracks for the Mumbai-Ahmedabad Bullet Train project.
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