METRO CORRIDOR DOSSIER // KOLKATA-METRO-YELLOW-LINE-OPERATIONAL
Kolkata Metro Line 4 (Yellow Line — Operational Route: Noapara ↔ Jai Hind Airport)
● Operational📏 7.04 km Operational Route (6.77 km Commissioned Main-Line)🚉 4 Operational Stations (Noapara, Dum Dum Cantonment, Jessore Road, Jai Hind) Stations🗓 22 Aug 2025🏢 Metro Railway, Kolkata (Owner: Indian Railways / RVNL)
Kolkata Metro Line 4 (Yellow Line - Operational Segment) spans 7.04 km (6.77 km commissioned commercial route) across 4 operational stations connecting Noapara terminal hub to Netaji Subhas Chandra Bose International Airport (Jai Hind). The corridor provides seamless mass transit linking the Line 1 Blue Line at Noapara and Eastern Railway suburban trains at Dum Dum Cantonment directly into the Kolkata Airport terminal building.
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Kolkata Metro Line 4 (Yellow Line - Operational) Economics
Kolkata Metro Line 4 (Yellow Line - Operational) Economics
Project CostCommissioned Phase Cost ~₹3,750 Cr
Primary BackersMinistry of Railways (Government of India)
Metro Railway, Kolkata (Owner: Indian Railways / RVNL)
Opened / Est. Opening
22 Aug 2025 (Inaugurated) | 25 Aug 2025 (Commercial Revenue Service)
Maximum Design Speed
80 km/h
Track Gauge
Broad Gauge (1,676 mm / 5 ft 6 in)
Electrification System
750V DC Third Rail
Primary Depot
Noapara Metro Depot
Chronological Milestones
Kolkata Metro Line 4 (Yellow Line - Operational) Timeline
2010-11
Noapara to Barasat Line 4 corridor sanctioned by Ministry of Railways.
June 2011
Senbo Engineering awarded ₹227 Cr civil contract for Airport section and Bagjola Canal alignment.
June 2019
Railway Board sanctioned material modification converting Airport–Barasat alignment underground.
2020
Subterranean integrated airport station construction commenced 150m from terminal building.
22 August 2025
Noapara to Jai Hind (Biman Bandar) section inaugurated by Prime Minister Narendra Modi.
25 August 2025
Commercial revenue services commenced from Noapara to Jai Hind Airport.
Proprietary analytics
Yellow Line Airport Transit & Regional Connectivity Impact
Economic Significance
Provides Kolkata's first direct rail-to-airport mass transit link, connecting NSCBI Airport directly to North-South Kolkata.
Traffic Impact
Eliminates highway bottlenecks along VIP Road and Jessore Road, reducing travel time to the airport from 60 mins to 14 mins.
Employment Centres Served
Serves airline personnel, airport logistics staff, cargo workers, and IT professionals.
Intermodal Connectivity
Seamless interchange with Line 1 Blue Line at Noapara and future Line 6 Orange Line at Jai Hind Airport.
Impact on Real Estate
Sparked commercial transit-oriented development (TOD) interest across Dum Dum Cantonment and Jessore Road.
Geospatial Explorer
Kolkata Metro Line 4 (Yellow Line - Operational) Alignment Map & GIS Explorer
Corridor Type Breakdown7.04 km (Elevated, At-Grade & Underground Airport Subterranean Station)
Viaduct Length4.80 km Viaduct (Noapara & Dum Dum Cantonment)
Tunnel Length2.24 km At-grade & Underground Ramp to Airport Terminal
River CrossingsBagjola Canal Viaduct Bridge
Major Bridges / CrossingsEastern Railway Mainline Railway Overbridge
Primary DepotNoapara Metro Depot
Answers
Frequently Asked Questions
The Kolkata Metro Yellow Line, also known as Line 4, is the Noapara–Jai Hind Airport–Barasat corridor. Its currently operational section runs from Noapara to Jai Hind Airport, while the remaining sections toward Barasat are under construction or affected by land and encroachment issues.
The operational Yellow Line route runs from Noapara through Dum Dum Cantonment and Jessore Road to Jai Hind, serving Netaji Subhas Chandra Bose International Airport. The planned full corridor continues north toward Barasat.
The four currently operational Yellow Line stations are Noapara, Dum Dum Cantonment, Jessore Road and Jai Hind. The Jai Hind station serves Netaji Subhas Chandra Bose International Airport.
The operational Yellow Line section runs from Noapara to Jai Hind Airport via Dum Dum Cantonment and Jessore Road. The wider Line 4 corridor continues from the airport toward New Barrackpore and Barasat as the extension is completed.
Yes. The 6.77 km Noapara–Jai Hind Airport section of the Yellow Line became operational in August 2025. The extension beyond Jai Hind toward Barasat is not yet fully operational.
Yellow Line timings depend on the current Metro Railway Kolkata operating schedule and can change. The operational section is Noapara–Jai Hind Airport, so passengers should check the latest official timetable for first and last train timings.
Yes. The Yellow Line provides Kolkata's direct Metro connection to Netaji Subhas Chandra Bose International Airport through Jai Hind station. The Noapara–Jai Hind Airport section opened in August 2025.
The Noapara–Jai Hind Airport section is operational, while construction continues beyond the airport toward Michael Nagar. The New Barrackpore–Barasat section remains affected by land acquisition and encroachment issues.
Yes. The Yellow Line is part of the 18 km Noapara–Jai Hind Airport–Barasat corridor. The airport section is operational, work toward Michael Nagar is in progress, and the New Barrackpore–Barasat section faces land acquisition and encroachment constraints.
The Yellow Line is planned as the Noapara–Jai Hind Airport–Barasat corridor. The currently operational stations are Noapara, Dum Dum Cantonment, Jessore Road and Jai Hind, followed by the planned or under-construction northern extension toward Michael Nagar, New Barrackpore, Madhyamgram, Hridaypur and Barasat.
The Yellow Line connects with the Blue Line at Noapara. This provides access to the Blue Line's north-south corridor toward central and southern Kolkata.
The full Noapara–Barasat Yellow Line corridor is about 18 km long. The currently operational Noapara–Jai Hind Airport section is 6.77 km.
