METRO CORRIDOR DOSSIER // KOLKATA-METRO-PURPLE-LINE
Kolkata Metro Line 3 (Purple Line Master Overview)
● Operational & Under Construction📏 27.55 km Full Corridor🚉 19 Total Stations Stations
Kolkata Metro Purple Line (Line 3) is a 27.55 km master transit network consisting of 4 distinct status segments: Operational (7.75 km, 7 stations), Under Construction (6.50 km, 5 stations), Approved Extensions (4.99 km, 3 stations), and Proposed Branch Line (8.50 km, 4 stations).
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Target Opening
Expected Completion Date
StatusOperational & Under Construction
Target Opening Date
Station list
Kolkata Metro Purple Line Stations
The detailed station schedule for this corridor is currently under review and will be updated upon publication of official alignment documents.
Geospatial Alignment
Joka ↔ Esplanade ↔ Eden Gardens Master Corridor Map
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Specs sheet
Kolkata Metro Purple Line Technical Specifications
| Parameter | Value |
|---|---|
| Corridor Status | Operational & Under Construction |
| Line Number | Line 3 (Purple Line) |
| Total Length | 27.55 km Full Corridor |
| Stations Count | 19 Total Stations |
| Corridor Type | Elevated & Underground |
| Operator | Maha Metro |
| Opened / Est. Opening | TBD |
| Maximum Design Speed | 80 km/h |
| Track Gauge | Standard Gauge (1435 mm) |
| Electrification System | 25 kV AC overhead catenary (OHE) |
| Primary Depot | Proposed Depot |
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