Home Biggest projects Project Timelines Mumbai Metro Line 4 project timeline and what you need to know

Mumbai Metro Line 4 project timeline and what you need to know

Mumbai Metro Line 4 from Wadala to Kasarvadavali is a 32.32km long elevated corridor with 32 stations. It is expected to provide interconnectivity among the existing Eastern Express Roadway, Central Railway, Mono Rail, the ongoing Metro Line 2B (D N Nagar to Mandale), and the proposed Metro Line 5 (Thane to Kalyan), Metro Line 6 (Swami Samarth Nagar to Vikhroli) & Metro Line 8 (Wadala to General Post Office).

The Rs. 14,549 Cr project will provide rail based access to the commercial, Govt. bodies and geographical landmarks in Mumbai. Dedicated Depots are planned in Owale land in up to an extent of 20 Ha. and in Godrej Land in up to 15.50 Ha. Area. It will also reduce the current travel time by anything between 50% and 75% depending on road conditions.

Also Read: Malolos-Clark Railway Project timeline and what you need to know

Project timeline

In September, the contract for the construction of the 1st Pier Cap through Package CA54 was awarded to J Kumar Infraprojects in with a value of Rs 342 crore.


As of January:

  • 87.0% of the soil investigation work for Pier foundation was completed.
  • Utility works were 76% complete
  • Piling works were 47% complete
  • Pile Cap works were 27.3% complete
  • Pier works were 23.6% complete
  • Pier Cap works; Pier Cap:22% Casting completed. 12% Erection completed
  • U Girder Works; Pier Cap:16% Casting completed. 4% Erection completed
  • Station works were in progress

In May, the Mumbai Metropolitan Region Development Authority (MMRDA) launched the tender for signaling and train control for Mumbai Metro Line 4. The work is to be completed in 34 months.

Scope of work include: Design, Manufacture, Supply, Installation, Testing, and Commissioning of Signalling and Train Control including Platform Screen Doors system for Main Line and Depot of Line 4 and Its Extension Corridor (Wadala – Kasarvadavali – Gaimukh) of Mumbai Metro Rail Project of MMRDA.

In November, MMRDA invited bids for head hardened rails. Scope of work includes Supply of 9800 MT 60E1 (UIC-60), 1080 Grade Head Hardened (HH) Rails as per IRS T-12-2009 for Line-4.

In the same month, the KfW, a German development bank, extended a loan worth US $640.6m for the construction of Mumbai Metro Line 4 from Wadala to Kasaravadavli and Line 4A from Kasaravadavli to Gaimukh that will connect the island city to Thane.

According to the Mumbai Metropolitan Region Development Authority (MMRDA), the credit package is made up of one development loan of US $405.5m, including US $300m to buy rolling stock, and another promotional loan of US $235.1m. A sum of US $105.8m will be used for a multi-modal integration system.

In late November, the Thane Municipal Corporation (TMC) again tabled the two-year-old proposal of allotting land at Kolshet for casting yard to the Metro Line 4 project. The proposal was earlier stayed as several corporators had opposed it claiming that the corporation was losing crores of Rupees in revenue by allotting land free of cost to the Mumbai Metropolitan Region Development Authority (MMRDA). The TMC, on the other hand, maintained that as per government rule (GR), it was supposed to allot land on a temporary basis free of cost for Metro projects. Construction of Metro Line 4 is in progress in Thane. The MMRDA has completed more than 55% of the piling works, 30% of pier work and 20% of girder casting.

In the same month, line 4A’s 1st Pier Cap was launched. Workers from J Kumar Infraprojects and Sunder Cranes erected the first 9.5m wide pier cap of Mumbai Metro’s Line-4A (Green Line) on Ghodbunder Road in Owale, Thane West. This small 2.88km northern extension of the 32.32km Line-4 will connect Kasarvadavali to Gaimukh through new 2 stations at Gowniwada and Gaimukh.


In Mid-January, Canadian company Bombardier has emerged as the lowest bidder for manufacturing 234 coaches for the Metro-4 (Wadala-Thane-Kasarvadavli) and its extension line 4A (Kasarvadavli-Gaimukh). A Chinese firm had also shown interest in the tender worth 1,865 crore, but according to Mumbai Metropolitan Region Development Authority (MMRDA) officials, the Chinese firm – CRRC Corporation Ltd – did not qualify for the bids.


Dennis Ayemba
Country/ Features Editor, Kenya


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