Alstom’s Mumbai Metro Line 4: India’s Rail Infrastructure Project

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Introduction

Alstom has been contracted by Larsen & Toubro Ltd. India to deliver 39 trainsets, a communications-based train control signaling system, and maintenance services for Mumbai Metro Line 4. The project for the 22-mile elevated passenger-rail corridor is between Wadala and Kasarvadavali.

Mumbai Metro Line 4 Project

Larsen & Toubro Ltd. India was awarded the contract by Mumbai Metro Regional Development Authority for rolling stock, CBTC signaling and train control, platform screen doors, depot machinery and plant, and five years of maintenance for Line 4. The line will have 32 stations.

Alstom’s Role

Alstom will design the trainsets in its Bangalore engineering center. Propulsion manufacturing will occur in Coimbatore, and bogies will be manufactured in Savli, all in India. The total value for Alstom’s services and products is “a few hundred million euros.”

Balzano Marine Terminal Rail System Modernization

Urban Engineers Inc. and South Jersey Port Corp. received the 2025 Distinguished Engineering Award from the New Jersey Alliance for Action for a $7.4 million infrastructure upgrade project. The project modernized the Balzano Marine Terminal rail system.

Project Details

The project, located in Camden, New Jersey, involved modernizing a rail network constructed in the 1930s. Urban Engineers assessed existing rail conditions and developed plans to replace and rehabilitate tracks. The firm’s work included streamlining the rail layout, designing embedded rail systems, designing plans for where freight rail meets the cargo crane system, upgrading stormwater drainage infrastructure, and providing construction phase services. The terminal offers connections to CSX, Norfolk Southern Railway and Canadian Pacific Kansas City via its on-dock rail infrastructure. The project tripled freight throughput capacity and reduced emissions.

Conclusion

Alstom is supplying trainsets and services for Mumbai Metro Line 4, while Urban Engineers Inc. and South Jersey Port Corp. modernized the Balzano Marine Terminal rail system. The Balzano Marine Terminal project was awarded the 2025 Distinguished Engineering Award.

Company Summary

Alstom: Alstom is contracted to supply trainsets and related services for the Mumbai Metro Line 4.

Larsen & Toubro Ltd. India: Larsen & Toubro Ltd. India was awarded the contract by Mumbai Metro Regional Development Authority for the Mumbai Metro Line 4 project.

Mumbai Metro Regional Development Authority: Awarded the contract to Larsen & Toubro Ltd. India for the Mumbai Metro Line 4 project.

Urban Engineers Inc.: Urban Engineers Inc. worked on the modernization of the Balzano Marine Terminal rail system.

South Jersey Port Corp.: South Jersey Port Corp. collaborated with Urban Engineers Inc. on the Balzano Marine Terminal rail system modernization project.

CSX: The terminal offers connections to CSX via its on-dock rail infrastructure.

Norfolk Southern Railway: The terminal offers connections to Norfolk Southern Railway via its on-dock rail infrastructure.

Canadian Pacific Kansas City: The terminal offers connections to Canadian Pacific Kansas City via its on-dock rail infrastructure.

Technology

CBTC: Alstom will provide a communications-based train control (CBTC) signaling system for the Mumbai Metro Line 4.

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