Kolkata Metro Line 2 (Green Line — Proposed Extension: Howrah Maidan ↔ Santragachi Bus Terminus)
Kolkata Metro Line 2 (Green Line - Proposed Extension Segment) is a proposed 9.10 km western extension across 8 planned elevated stations (Foreshore Road, Coal Depot, Shalimar, Nabanna, Belepole, Bakshara, Santragachi, Santragachi Bus Terminus) connecting Howrah Maidan to Santragachi Railway Terminal and Interstate Bus Terminus. The proposed alignment serves the West Bengal State Secretariat at Nabanna, Shalimar Railway Terminal, and the Kona Expressway transit hub.
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Kolkata Metro Green Line Economics
Expected Completion Date
Kolkata Metro Green Line Stations
| # | Station | Type | Interchange / Connection | Opened |
|---|---|---|---|---|
| 01 | Howrah Maidan | Underground Operational Hub | Operational Line 2 Underground Terminal | 06 Mar 2024 |
| 02 | Foreshore Road | Elevated (Proposed) | Foreshore Road & Hooghly Riverfront Axis | — |
| 03 | Coal Depot | Elevated (Proposed) | Howrah Industrial Coal Depot Node | — |
| 04 | Shalimar | Elevated (Proposed) | Shalimar Railway Station & Freight Terminal | — |
| 05 | Nabanna | Elevated (Proposed) | West Bengal State Secretariat Headquarters | — |
| 06 | Belepole | Elevated (Proposed) | Belepole Junction Node | — |
| 07 | Bakshara | Elevated (Proposed) | Bakshara Residential Precinct Node | — |
| 08 | Santragachi | Elevated (Proposed) | South Eastern Railway Major Passenger Terminal | — |
| 09 | Santragachi Bus Terminus | Elevated Proposed Terminal | Kona Expressway Interstate Bus Terminal Hub | — |
Howrah Maidan ↔ Santragachi Bus Terminus Proposed Alignment Map
Kolkata Metro Green Line Technical Specifications
| Parameter | Value |
|---|---|
| Corridor Status | Proposed Extension |
| Line Number | Line 2 (Green Line Extension) |
| Total Length | 9.10 km Proposed Extension Route |
| Stations Count | 8 Planned Stations (8 Elevated) |
| Corridor Type | Elevated Viaduct Corridor along Foreshore Road & Kona Expressway |
| Operator | Metro Railway, Kolkata (Owner: Indian Railways / KMRC) |
| Opened / Est. Opening | TBD |
| Maximum Design Speed | 80 km/h |
| Track Gauge | Standard Gauge (1,435 mm) |
| Electrification System | 750V DC Third Rail |
| Primary Depot | Central Park Depot (Salt Lake) |
Kolkata Metro Green Line Timeline
Line 2 western extension from Howrah Maidan to Santragachi proposed in West Bengal transit master plan.
Alignment survey connecting Foreshore Road, Coal Depot, Shalimar, Nabanna Secretariat, Belepole, Bakshara, and Santragachi.
Green Line Western Extension & Howrah-Santragachi Transit Impact
Economic Significance
Extends high-speed metro connectivity to the West Bengal State Secretariat at Nabanna, Shalimar Railway Station, and Santragachi hub.
Traffic Impact
Reduces heavy road congestion on Foreshore Road, Mandirtala, and Kona Expressway.
Employment Centres Served
Serves state government employees, university students, railway commuters, and long-distance bus travelers.
Intermodal Connectivity
Establishes a multi-modal mass transit link directly integrating Howrah, Shalimar, and Santragachi railway hubs.
Impact on Real Estate
Sparked commercial real estate and logistics hub interest around Kona Expressway, Foreshore Road, and Santragachi.
Kolkata Metro Green Line Alignment Map & GIS Explorer
Frequently Asked Questions
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