Bullet Train Project: First Mountain Tunnel Breakthrough Achieved in Maharashtra

Syllabus: Infrastructure: Railways and Transport

Ministry of Railways

Why in news?

Railways Minister announced breakthrough of 1.5 km Mountain Tunnel-5 (MT-5) in Palghar, Maharashtra - the first mountain tunnel breakthrough in the state using drill and blast method.

⚛️Static Concepts

Dedicated Freight CorridorsGati Shakti↗Make in India

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Prelims-Oriented Points

MT-5 tunnel (1.5 km) breakthrough achieved in 18 months between Virar and Boisar stations using drill and blast method.
MAHSR total length: 508 km (352 km in Gujarat/DNH, 156 km in Maharashtra); total tunnel length: 27.4 km.
First underground tunnel (5 km) between Thane and BKC completed in September 2025.
Travel time Mumbai-Ahmedabad: 1 hour 58 minutes; estimated 95% reduction in CO2 emissions vs road transport.

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Examiner's Trap: MAHSR is not fully indigenous technology - it uses Japan's Shinkansen technology under bilateral cooperation agreement.

Quick Data Points

Total Length: 508 km

Tunnel Length: 27.4 km

Travel Time: 1 hr 58 min

CO2 Reduction: 95%

Mains Value Addition

GS-3: Infrastructure - Railways; India-Japan bilateral relations

Economic Corridors: Integration of Mumbai-Ahmedabad economies with potential for new industrial and IT hubs along corridor.
Technology Transfer: Knowledge transfer from Japan enabling India to develop high-speed rail capabilities.
Environmental Benefits: Significant carbon emission reduction aligns with India's climate commitments.

Source

Press Information Bureau (PIB)

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