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Kolkata Metro Line 2: Blue Line Route, Stations and Travel

Updated on : 17 December, 2025

By Hexadecimal Software Team

Image Source: google.com

Overview

Kolkata Metro Line 2, also called the Blue Line, is an east–west metro corridor connecting Howrah Maidan to Salt Lake Sector V. It includes India’s first underwater metro tunnel and provides fast, reliable connectivity between key commercial, IT, and residential areas of Kolkata.

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Image Source: Google

Route and Major Stations

Section	Details
Line Name	Kolkata Metro Line 2 (Blue Line)
Route	Howrah Maidan to Salt Lake Sector V
Major Stations	Howrah Maidan, Esplanade, Sealdah, Phoolbagan, Sector V
Interchange Stations	Esplanade (Line 1), Sealdah (Railway)
Total Length	Approx. 16.6 km

Key Interchange Points

Interchange Station	Connecting Line / Network	Key Benefit
Esplanade	Kolkata Metro Line 1 (North–South)	Easy transfer between north, south, and east–west corridors
Sealdah	Sealdah Railway Station	Direct access to suburban and long-distance trains
Howrah Maidan	Howrah Railway Station (via access)	Convenient connectivity for Howrah-side commuters

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Underwater Tunnel and Engineering Highlights

Feature	Details
Tunnel Type	Underwater metro tunnel
River Crossed	Hooghly River
First of Its Kind	India’s first underwater metro tunnel
Construction Method	Tunnel Boring Machine (TBM) technology
Safety Features	Advanced ventilation, flood control, and fire safety systems
Engineering Significance	Major milestone in Indian metro rail engineering

Train Frequency and Timings

Time Period	Train Frequency	Operating Hours
Morning Peak Hours	Every 6–8 minutes	08:00 AM – 11:00 AM
Midday	Every 10–12 minutes	11:00 AM – 04:00 PM
Evening Peak Hours	Every 6–8 minutes	04:00 PM – 08:00 PM
Late Evening	Every 12–15 minutes	08:00 PM – 10:30 PM

Image Source: Google

Ticketing, Fare and Smart Cards

Ticket Type	Fare Details	Benefits
Single Journey Token	Fare based on distance traveled	Ideal for occasional travelers
Smart Card	Discounted fares on each ride	Cashless travel and quick entry/exit
Return / Multiple Trips	Calculated as per journey distance	Cost-effective for same-day return
Digital Payment	UPI, cards at ticket counters	Easy and contactless transactions
Penalty Fare	Applicable for rule violations	Ensures disciplined travel

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Passenger Amenities and Facilities

Amenity	Availability	Description
Escalators & Lifts	All major stations	Easy access for elderly and differently-abled passengers
CCTV Surveillance	All stations & trains	Enhanced safety and security
Public Address System	Every station	Real-time train and safety announcements
Ticket Counters & Gates	All stations	Smooth entry and exit with smart cards and tokens
Restrooms	Select stations	Clean and well-maintained facilities
Signage & Information Boards	All stations	Clear route maps and travel guidance

Image Source: Google

Kolkata Metro: Routes, Map, Timings & Fare Updates read here

Nearby Areas and Landmarks

Station	Nearby Areas / Landmarks
Howrah Maidan	Howrah Railway Station, Vidyasagar Setu, Howrah Bridge
Esplanade	New Market, Eden Gardens, Park Street
Sealdah	Sealdah Railway Station, Lalbazar Police Headquarters
Phoolbagan	EM Bypass, City Centre Mall, Local Markets
Sector V	IT Hubs, Salt Lake Stadium, Rajarhat Business Zone

Image Source: Google

Travel Tips for Commuters

Tip	Details
Travel During Off-Peak Hours	Avoid morning and evening rush to enjoy a comfortable journey
Use Smart Cards	Save time and get discounted fares compared to tokens
Check Train Timings	Plan trips using official metro apps or station schedules
Keep Essentials Handy	Carry water, mask, and personal items securely
Follow Safety Rules	Observe station guidelines, hold handrails, and avoid overcrowding
Plan Interchanges	Know connecting stations for smooth transfers between lines

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FAQs

Que: What is the total length of Kolkata Metro Line 2?
Ans: The line is approximately 16.6 km long, connecting Howrah Maidan to Salt Lake Sector V.

Que: Is there an underwater tunnel on this metro line?
Ans: Yes, it features India’s first underwater metro tunnel beneath the Hooghly River.

Que: Which are the major interchange stations?
Ans: Key interchanges include Esplanade (with Line 1) and Sealdah (connecting to the railway network)

Que: What are the operating hours of Line 2?
Ans: Trains operate from around 8:00 AM to 10:30 PM, with higher frequency during peak hours.

Que: Can I use a smart card for travel?
Ans: Yes, smart cards offer cashless travel and discounted fares on every journey.