Kolkata East-West Metro Corridor
A metro corridor connecting Salt Lake, Sealdah, Esplanade and Howrah, including India’s first underwater metro tunnel beneath the Hooghly River.
Compared with the first announced target
The corridor opened in sections, including the Hooghly underwater stretch, after major tunnelling and urban-building risks delayed full completion.
Kolkata and Howrah metro commuters, intercity rail users and central business district travellers.
Timeline
Commercial service began on an initial Salt Lake stretch.
The Howrah Maidan-Esplanade underwater metro stretch was inaugurated.
Risk notes
- Dense urban tunnelling and building-settlement risks
- Balance corridor integration remains schedule-sensitive
Official/public sources
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Linked source labels: PIB: Howrah Maidan-Esplanade underwater metro inauguration