ALSTOM has been awarded a contract to supply 39 six-car driverless trains and communications-based train control (CBTC) for Line 4 of the Mumbai metro network, currently under construction and also known as the Green Line.
Including fleet and CBTC maintenance over five years, the contract is worth “a few hundred million euros,” according to Alstom, and has been awarded by overall project lead Larsen & Toubro (L&T).
On June 24 the executive committee of the Mumbai Metro Regional Development Authority (MMRDA) approved the award to L&T of an integrated systems contract worth Rs 47.9bn ($US 546.2m) to supply rolling stock, CBTC, telecommunications systems, platform screen doors, and depot machinery and plant for Line 4.
The elevated line will run for 35.3km between Wadala in central Mumbai and Kasarvadavali in Thane, serving 32 stations. It is expected to relieve traffic congestion, while cutting journey times and reducing CO2 emissions.
Equipped with regenerative braking, the new Line 4 fleet will be designed at Alstom’s engineering centre in Bangalore, Karnataka, and manufactured at the Sri City facility in Andra Pradesh. Traction equipment will be manufactured at Coimbatore in Tamil Nadu and bogies at Savli in Gujarat.
Urbalis CBTC developed at Bangalore will enable operation at Grade of Automation 4 (GoA4), supervised from the Line 4 operations control centre at Mandale depot. A back-up facility will be provided at Mogharpada.
Alstom has previously supplied driverless trains and signalling for the Aqua Line in Mumbai, which opened in October 2024. It is also supplying signalling and telecommunications systems for lines 2 and 7, and signalling for lines 7A and 9.
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