Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Route Map, Stations & Status
Mumbai Metro Line 4A (Green Line Extension / Thane Metro Line 4A / Gaimukh Metro Project / Kasarvadavali Gaimukh Metro) is an official 2.668 km under-construction elevated rapid transit corridor extending Metro Line 4 northwards from Kasaravadavali to Gaimukh along Ghodbunder Road, Thane. Implemented by MMRDA, Line 4A features 2 elevated stations (Gowniwada and Gaimukh), shared maintenance operations at Mogharpada Depot (Thane), and interchanges with Metro Line 4 at Kasaravadavali and proposed Metro Line 10 at Gaimukh. The official Metro Line 4A Completion Date has yet to be officially announced by MMRDA. Track Mumbai Metro Line 4A Route Map, Line 4A Stations, Kasarvadavali Gaimukh Metro progress, and Line 4A Latest Update.
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Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Economics
Expected Completion Date
Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Stations
| # | Station | Type | Interchange / Connection | Opened |
|---|---|---|---|---|
| 01 | Gowniwada | Regular | Ghodbunder Road Feeder Node | Under Construction |
| 02 | Gaimukh | Terminal / Interchange | Proposed Line 10 (Gaimukh to Shivaji Chowk, Mira Road) | Under Construction |
Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Route Map
Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Technical Specifications
| Parameter | Value |
|---|---|
| Corridor Status | Under Construction |
| Line Number | 4A (Green Line Extension) |
| Total Length | 2.668 km |
| Stations Count | 2 |
| Corridor Type | Fully Elevated |
| Implementing Agency | MMRDA |
| Operator | MMMOCL (upon commissioning) |
| Opened / Est. Opening | Opening date: Yet to be officially announced by MMRDA |
| Maximum Design Speed | 80 km/h |
| Track Gauge | Standard Gauge (1435 mm) |
| Electrification System | 25kV AC overhead catenary (OHE) |
| Primary Depot | Mogharpada Depot (Thane) |
Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Timeline
Approved by Maharashtra State Cabinet as an official 2.668 km northern extension of Line 4.
Civil construction contract awarded to J. Kumar Infraprojects.
Civil viaduct launching, station structural works, and alignment execution actively progressing under MMRDA implementation.
Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Economic & Connectivity Impact
Economic Significance
Expected to improve connectivity along Ghodbunder Road and support regional mobility.
Traffic Impact
Expected to relieve traffic congestion along the Ghodbunder Road highway corridor between Kasaravadavali and Gaimukh.
Employment Centres Served
Connects residential hubs in Ghodbunder Road directly to commercial zones in Thane, Mulund, Ghatkopar, and Central Mumbai.
Intermodal Connectivity
Direct extension of Line 4 at Kasaravadavali and planned multi-modal interchange with Metro Line 10 at Gaimukh.
Impact on Real Estate
Expected to improve connectivity along Ghodbunder Road and support regional mobility.
Mumbai Metro Line 4A (Kasaravadavali - Gaimukh) Alignment Map & GIS Explorer
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