Kolkata Metro Line 4

Kolkata Metro Line 4 ---- Yellow Line
Under construction Yellow Line near Bagjola canal
Overview
Status	Under construction
Owner	Indian Railways
Locale	Kolkata Metropolitan Region, India
Termini	• Noapara (south) • Barasat (north)
Connecting lines	Blue Line Orange Line
Stations	10
Website	Indian Railways
Service
Type	Rapid transit
System	Kolkata Metro
Operator(s)	Metro Railway, Kolkata
Depot(s)	Noapara Depot Airport Depot (under construction) Barasat Depot (planned)
History
Planned opening	March 2025
Technical
Line length	18.13 km (11.27 mi) -Under construction:6.87 km (4.27 mi) -Planned:11.26 km (7.00 mi)[1]
Number of tracks	2
Track gauge	5 ft 6 in (1,676 mm) broad gauge
Electrification	750 V DC[2] using third rail
Operating speed	80 km/h (designed)
Signalling	TPWS signalling (initially) CBTC signalling (in future)
Route map Legend Blue Line to Dakshineswar Noapara Depot Noapara Blue Line to Kavi Subhash Kestopur Canal Eastern Line to Sealdah Dum Dum Cantonment Jessore Road Jessore Road Orange Line to Kavi Subhash Jai Hind Airport Depot Birati Michael Nagar New Barrackpur Noai Canal Madhyamgram Hridaypur Barasat Eastern Line to Hasnabad Eastern Line to Bongaon Show route diagram (Click to expand) Show route map

Line 4 (Yellow Line) is a rapid transit metro line of the Kolkata Metro in Kolkata, West Bengal, India. It is a 16.876 km (10.486 mi)^[1] long line from Noapara to Barasat in North 24 Parganas, which is under construction. It is being built by RVNL, Senbo & ITD.^[3] It will run mostly on underground tunnels, the track will be elevated until Jessore Road from Noapara and then go underground towards Barasat metro station. It will have an interchange at the Kolkata Airport with Orange Line.