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Yellow Line (Kolkata Metro)

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"Kolkata Metro Line 4" redirects here. For other uses, see Line 4.

Yellow Line
Overview
StatusPhase 1 - Operational
Phase 2 - Under Construction
Phase 3 - Planned
OwnerIndian Railways
LocaleIndia Kolkata Metropolitan Region, India
Termini
  • Noapara (South west)
  • Barasat (North east)
Connecting linesBlue Line Orange Line
Stations10
WebsiteIndian Railways
Service
TypeRapid transit
SystemKolkata Metro
Operator(s)Metro Railway, Kolkata
Depot(s)
Rolling stock
History
Opened22 August 2025; 6 months ago (2025-08-22)
Technical
Line length16.876 km (10.486 mi)[1]
  • Operational: 7.04 km (4.37 mi)
  • Under Construction: 2.24 km (1.39 mi)
  • Planned: 7.596 km (4.720 mi)
Number of tracks2
Track gauge5 ft 6 in (1,676 mm) broad gauge
Electrification750 V DC[2] using third rail
Operating speed80 km/h (designed)
SignallingKavach[3]
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 Netaji Subhas Chandra Bose International Airport Bus interchange
Airport Yard
 Birati
Michael Nagar
New Barrackpur
Noai Canal
Madhyamgram
Hridaypur
Barasat Bus interchange
Eastern Line
to Hasnabad
Eastern Line
to Bongaon

Yellow Line is a rapid transit metro line of the Kolkata Metro in Kolkata, West Bengal, India. It currently consists of a short operational section between Noapara and Jai Hind (Kolkata Airport) that was inaugurated on 22 August 2025.[4] The full line will be 16.876 km (10.486 mi) long with 10 stations,[1] running from Noapara to Barasat in North 24 Parganas. It is being built by RVNL, Senbo & ITD.[5] It will run mostly on underground tunnels, the track is elevated from Noapara to Jessore Road and then go underground towards Barasat. It has an interchange at the Kolkata Airport with Orange Line.

History

[edit]
Prime Minister Narendra Modi flagging off yellow line metro train on August 22, 2025

The first phase of the Yellow Line between Noapara and Jai Hind (Biman Bandar) station was inaugurated by the Prime Minister Narendra Modi on August 22, 2025.

Commercial Operations between Noapara and Jai Hind (Bimanbandar) began on 25 August 2025.

weekday operations would increase to 120 services comprising 60 UP and 60 DN trains with operating hours extended from 7.18 am to 9.30 pm, instead of the current 7.55 am to 8.17 pm.

The first train will now leave Noapara at 7.18 am for the airport, advancing by nearly 40 minutes, while the first service from the airport to Noapara will begin at 7.40 am instead of 8 am.

Similarly, the last train from Noapara to Jai Hind (Bimanbandar) will now depart at 9.58 pm instead of 8 pm, and the final service from the airport will leave at 9.18 pm, nearly an hour later than before.

Weekend travellers will also benefit from a substantial frequency upgrade. On Saturdays, the number of services will more than double to 92 trains (46 UP and 46 DN), operating between 7.18 am and 9.30 pm, while on Sundays, 78 services (39 UP and 39 DN) will run from 9.18 am to 9.30 pm.

Importantly, the interval between trains on weekends will be reduced to 18 minutes from the earlier 35 minutes, providing smoother and more convenient travel for passengers.

Stations

[edit]

The stations of this corridor are:

Yellow Line
No. Station Name Opening Connections Layout Platform Type
English Bengali
1 Noapara নোয়াপাড়া 25 August 2025 Blue Line Elevated Side & Island
2 Dum Dum Cantonment দমদম ক্যান্টনমেন্ট 25 August 2025
Elevated Side
3 Jessore Road যশোহর রোড 25 August 2025 At grade Side
4 Jai Hind জয় হিন্দ 25 August 2025 Orange Line (Under Construction)
Airport interchange Netaji Subhas Chandra Bose International Airport 		Underground Side & Island
5 Birati বিরাটি Under construction Underground Island
6 Michael Nagar মাইকেল নগর Under construction Underground Island
7 New Barrackpur নিউ ব্যারাকপুর Approved Underground Side
8 Madhyamgram মধ্যমগ্রাম Approved
Underground To be decided
9 Hridaypur হৃদয়পুর Approved
Underground To be decided
11 Barasat বারাসত Approved
Underground To be decided

Project development

[edit]
Biman Bandar railway station remants

Earlier, this line was planned to be divided into two lines: the up line and the down line. Both were meant to start from Noapara Metro Station and meet at Bimanbandar railway station. The up line was meant to run along with the Belghoria express and meant to have two new stations at Ramkrishna Pally and Shantinagar. The down line was meant to use Old Dum Dum Cantonment - Biman Bandar section's alignment, viaducts, and stations. However, the plan changed later, and now both lines will pass through the Dum Dum Cantonment - Bimanbandar section.[6]

The project will be completed in three phases. The first phase of work from Noapara to Jai Hind was opened on 22 August 2025.[7][8][9] In the second phase work from Jai Hind to New Barrackpore will be done and in the last phase from New Barrackpore to Barasat work will be done. But the development work from New Barrackpore to Barasat has been stalled for the last eight years since it was sanctioned because of encroachments.[10] and the Airport Authority of India objected to the elevated stretches from New Barrackpore to Barasat. Later, after objections from AAI, a decision was taken to convert this into an underground stretch. On 29 June 2019 sanction for material modification for underground construction at an additional cost of ₹1,615 crore (US$190 million) was sent to the Railway Board by Metro. For this underground tunneling, AAI has agreed to shift its fuel tanks, buildings, and cables, and the project is expected to start in 2020.[11]

Dum Dum Cantonment metro station

An amount of Rs 227 crore contract to build this station, along with a mostly at-grade 2.16 km (1.34 mi) section from the Bagjola Canal to the existing ramp of the Airport Circular Railway track was awarded to Senbo Engineering Limited back in June 2011. Since then, the station's civil structure has been built, but work on the at-grade track section could not be started due to land acquisition issues along the line's proposed alignment. But the rehabilitation work was completed in 2020, and the work is going smoothly. Recently, girders were placed over Eastern Railway tracks. The metro station is set to be operational by Mid-2025.[12][13] Construction of an underground integrated station for Orange Line and Yellow Line has begun at NSCBI Airport land just 150 metres (492 ft) away from the terminal building.

The development of New Barrackpore to Barasat was supposed to go elevated to cut down the expenses, but the stretch was in doubt due to a huge encroachment problem. But in February 2021, Prime Minister Narendra Modi gave his nod to construct this stretch underground, giving respite to thousands of families who were supposed to be evicted for the development of the elevated stretch.[14] To lower the cost of the underground work, latest technology TBM will not be used, instead old technology of cut and cover method will be used for metro.[5]

However, in August 2025, before the inauguration of the Noapara–Biman Bandar section, it was reported that some changes in line alignment from Micheal Nagar to Barasat would be made which would be constructed underground using Tunnel boring machine that would lead to an increase in the total length of the line from 18 km to 22 km, adding three new stations beyond Barasat. These changes were made due to objections from AAI regarding the use of tall cranes and to avoid significant encroachment problems.[15][16]


Yellow Line has been divided into three phases.

  • Phase 1: Noapara - Jai Hind (Biman Bandar) (Operational)
  • Phase 2: Jai Hind (Biman Bandar) - Micheal Nagar (Under construction)
  • Phase 3: Micheal Nagar - Suripukur (Planned, construction will begin soon)

See also

[edit]

References

[edit]
  1. ^ a b "New System Map of Kolkata Metro".
  2. ^ "CAF to supply Kolkata metro trains". Archived from the original on 16 August 2014. Retrieved 7 October 2016.
  3. ^ "Metro Railway Kolkata Floats Kavach System's Tender for Kolkata Metro's Yellow Line". Metro Rail News. 29 May 2025. Retrieved 6 June 2025.
  4. ^ "PM Modi inaugurates Kolkata metro corridors; experts say real estate markets to gain from airport, suburban connectivity". Hindustan Times. Retrieved 22 August 2025.
  5. ^ a b "Senbo Engg wins ₹532 crore underground civil contracts for Kolkata Metro Line 4 | Metro Rail Today". Metro Rail Today: Gateway to Rail & Metro Industry. Retrieved 12 April 2023.
  6. ^ "mtp.indianrailways.gov.in".
  7. ^ "'Efforts on to open 3 new metro lines next week'". The Times of India. 12 August 2025. ISSN 0971-8257. Retrieved 14 August 2025.
  8. ^ "Kolkata Metro Nears Airport Connectivity with Successful Trial". newsonprojects. 23 July 2025. Retrieved 5 August 2025.
  9. ^ "3 new stretches of Kolkata metro likely to open by August end". Hindustan Times. Retrieved 14 August 2025.
  10. ^ Gupta, Jayanta (23 July 2019). "Kolkata: Metro to run below surface after airport". The Times of India. Retrieved 25 March 2020.
  11. ^ "Metro to run below surface after airport". Times of India. 26 July 2019.
  12. ^ "Kolkata likely to get its first airport metro link by July". The Times of India. Retrieved 31 March 2025.
  13. ^ "Kolkata's Noapara-Airport Metro Set For Mid-2025 Launch". timesproperty. Retrieved 31 March 2025.
  14. ^ "PM nod for underground Metro averts eviction". www.telegraphindia.com. Retrieved 14 March 2021.
  15. ^ "Barasat metro to cross airport hurdle with tunnel-borer help". The Times of India. 14 August 2025. Retrieved 16 August 2025.
  16. ^ "Airport raises the bar, Barasat metro vaults past height hurdle". The Times of India. 5 July 2024. Retrieved 16 August 2025.
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