December 14, 2025

Alstom, a global leader in smart and sustainable mobility, has been commissioned to supply 234 Metropolis metro cars (39 trainsets of 6 cars each) and Communications Based Train Control (CBTC) signalling system with five years of maintenance service, by Larsen & Toubro Limited, India. The total value for the supply of these products, solutions and services amounts to a few hundred million euros for Alstom. Larsen & Toubro India was recently awarded the contract by Mumbai Metro Regional Development Authority (MMRDA) to provide Integrated Systems Package for Mumbai Metro Line 4 (Green Line), which includes rolling stock, CBTC signalling and train control, telecommunication, platform screen doors, and depot machinery & plant with five years of maintenance. L&T has partnered with Alstom for the rolling stock and signalling system with five years of maintenance.

Mumbai Metro’s Line 4 is a 35.3 km elevated corridor between Wadala in Central Mumbai and Kasarvadavali in Thane with 32 stations. It will be one of the longest metro lines in the city, and provide connectivity to the existing Eastern Express Highway, Monorail and other lines of Mumbai Metro. 

“We are honoured to be chosen for the prestigious Mumbai Metro Line 4 project, further strengthening our long-standing association with the city of Mumbai.” – Ling Fang, Region President, APAC, Alstom

Speaking on the occasion, Ling Fang, Region President, APAC, Alstom said, “We are honoured to be chosen for the prestigious Mumbai Metro Line 4 project, further strengthening our long-standing association with the city of Mumbai. Alstom-built trains and signalling solutions are already serving on other Mumbai Metro lines. This ambitious new project presents more opportunities for us to provide best-in-class solutions to the commuters and contribute to elevating the financial capital’s infrastructure”.

Under the ‘Make in India’ initiative, all 39 Metropolis trainsets, each with a 6-car configuration, will be designed at Alstom’s engineering centre in Bangalore, Karnataka, manufactured at Alstom’s state-of-the-art Sri City facility, in Andra Pradesh; propulsion will be manufactured at Coimbatore, Tamil Nadu and bogies at Savli, Gujarat. The Sri City facility has an annual capacity of producing 480 cars and a strong portfolio of delivering trainsets for several domestic and international metro projects, including driverless trainsets for Mumbai’s Aqua Line, Delhi Phase IV and Chennai Phase II, as well as Montreal and Sydney.

Alstom is a strong leader in the mass transit market and stands as the undisputed leader in CBTC technology worldwide. The company has over 30 years of expertise in radio CBTC and has been chosen for 190 CBTC metro lines, with over 90 lines in operation, worldwide. In India, 18 metro lines are currently equipped or underway with Alstom’s world-class signalling solutions.

Alstom has a long-standing contribution to Mumbai’s metro network with the Mumbai Metro Aqua Line train and signalling solutions provided by Alstom. Now under commercial operations, the Aqua Line is one of the longest underground metro lines in the country, with Alstom’s driverless Metropolis trains transporting more than 1.6 million passengers per day. In addition, Alstom is also providing Signalling & Telecom solutions for Mumbai Line 2 & 7 and Signalling for Line 7A & 9.