Kolkata Metro Line 2 (Green Line / East-West Metro — Operational Segment)
Kolkata Metro Green Line (Line 2 / East-West Metro - Operational Segment) is India's historic first underwater metro corridor, spanning 16.60 km from Howrah Maidan to Salt Lake Sector V across 12 operational stations (6 underground, 6 elevated). Featuring a 520 m twin-tunnel drive 13 meters beneath the Hooghly Riverbed and India's deepest metro station at Howrah (33 m below ground), the line links India's two busiest commuter railway terminals—Howrah and Sealdah—with the central business districts at BBD Bagh (Mahakaran), Esplanade, and the Salt Lake Sector V IT 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 Terminal | Howrah Civic Center | 06 Mar 2024 |
| 02 | Howrah | Underground (33m Deep) | Howrah Railway Station & Ferry Ghat (Deepest Station in India) | 06 Mar 2024 |
| 03 | Mahakaran | Underground | Writers' Building / BBD Bagh CBD | 06 Mar 2024 |
| 04 | Esplanade | Underground Major Hub | Line 1 Blue Line & Line 3 Purple Line Interchange | 06 Mar 2024 |
| 05 | Sealdah | Underground | Sealdah Railway Station (Eastern Railway Terminal) | 12 July 2022 |
| 06 | Phoolbagan | Underground | Kankurgachi Precinct Node | 04 Oct 2020 |
| 07 | Salt Lake Stadium | Elevated | Vivekananda Yuba Bharati Krirangan | 13 Feb 2020 |
| 08 | Bengal Chemical | Elevated | EM Bypass Link | 13 Feb 2020 |
| 09 | City Centre | Elevated | Salt Lake Retail & Commercial Axis | 13 Feb 2020 |
| 10 | Central Park | Elevated | Central Park Depot Access Link | 13 Feb 2020 |
| 11 | Karunamoyee | Elevated | Karunamoyee International Bus Terminal | 13 Feb 2020 |
| 12 | Salt Lake Sector V | Elevated Hub | Line 6 Orange Line (IT SEZ Hub) | 13 Feb 2020 |
Howrah Maidan ↔ Salt Lake Sector V Geospatial Alignment Map
Kolkata Metro Green Line Technical Specifications
| Parameter | Value |
|---|---|
| Corridor Status | Operational |
| Line Number | Line 2 (Green Line / East-West Metro) |
| Total Length | 16.60 km Operational Route (15.0 km Commercial Main-Line) |
| Stations Count | 12 Operational Stations (6 Underground, 6 Elevated) |
| Corridor Type | Underground Tunnel (10.6 km) & Elevated Viaduct (6.0 km) |
| Operator | Metro Railway, Kolkata (Owner: Indian Railways / KMRC) |
| Opened / Est. Opening | 13 Feb 2020 (Sector V – Stadium) | 04 Oct 2020 (Phoolbagan) | 12 Jul 2022 (Sealdah) | 06 Mar 2024 (Howrah Maidan – Esplanade) | 22 Aug 2025 (Esplanade – Sealdah) |
| Maximum Design Speed | 80 km/h |
| Track Gauge | Standard Gauge (1435 mm) |
| Electrification System | 750V DC Third Rail |
| Primary Depot | Central Park Depot (Salt Lake) |
Kolkata Metro Green Line Timeline
East-West Metro corridor identified in Kolkata's original rapid transit master plan.
Pacific Consultant International Group conducted feasibility study proposing tubular riverbed tunnels under the Hooghly River.
Construction commenced under Kolkata Metro Rail Corporation Limited (KMRC).
Phase 1 opened from Salt Lake Sector V to Salt Lake Stadium (5.3 km) inaugurated by Railway Minister Piyush Goyal.
Phase 1A underground extension to Phoolbagan commissioned.
Phase 2 underground extension to Sealdah Railway Station opened to passengers.
Howrah Maidan to Esplanade underwater section inaugurated by PM Narendra Modi, marking India's first underwater metro run.
Esplanade to Sealdah central section commissioned, seamlessly connecting Howrah Maidan to Salt Lake Sector V.
Kolkata Metro Green Line Transit & Regional Economic Impact
Economic Significance
Connects Kolkata's twin cities Howrah and Kolkata, directly linking India's two largest commuter rail hubs at Howrah and Sealdah.
Traffic Impact
Eliminates surface bottlenecks across Rabindra Setu (Howrah Bridge) and Vidyasagar Setu, cutting travel time between Howrah and Sector V from 90 mins to 27 mins.
Employment Centres Served
Serves the Salt Lake Sector V IT corridor, BBD Bagh financial district, Sealdah commercial zone, and Howrah civic center.
Intermodal Connectivity
Provides triple-line interchange at Esplanade with Line 1 Blue Line and Line 3 Purple Line, and interchange at Sector V with Line 6 Orange Line.
Impact on Real Estate
Catalyzed commercial and rental property value growth along Salt Lake, Phoolbagan, and BBD Bagh.
Kolkata Metro Green Line Alignment Map & GIS Explorer
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