Kolkata_Metro_Line_1
Kolkata Metro Line 1
Transit line of rapid transport in Kolkata, India
The Line 1, Blue Line, also known as North–South Metro of the Kolkata Metro, is a rapid transit system serving Kolkata in Indian state of West Bengal. It consists of 26 operational stations from Dakshineswar to Kavi Subhash. Nine of the stations are elevated, 2 at-grade and the remaining 15 are underground, with a total distance of 32.13 km (19.96 mi). The line connects Dakshineswar and New Garia and uses 5 ft 6 in (1,676 mm) broad gauge rolling stock. Dakshineswar was opened on 22 February 2021 is an elevated station located 4.1 km (2.5 mi) north of Noapara. It was the first underground railway to be built in India, with the first operations commencing in October 1984 and the full stretch that was initially planned being operational by February 1995. On 28 December 2010, it became the 17th zone of the Indian Railways.[2] Being the country's first, and a completely indigenous process, the construction of the Kolkata Metro was more of a trial-and-error affair, in contrast to the Delhi Metro, which has seen the involvement of numerous international consultants. As a result, it took nearly 23 years to completely construct around 15 km (9.3 mi) underground railway from Birpara up to Tollygunge Metro Station.
It connects Line 2 at Esplanade and Line 6 at Kavi Subhash, and will eventually connect Lines 3, 4 and 5. Public transport experts have suggested that the line be extended from Dakshineswar to Bally (where it can connect with local trains of the Howrah division of Eastern Railway) and eventually to Dankuni, an emerging industrial city.
The laying of the founding stone was done in 1972, but actual construction of line 1 started only in 1978. Line 1 is 31.38 km (19.50 mi) long with 26 stations (see above). Running of the first metro car on the line by 1984 was considered a great engineering challenge. Former railways minister A. B. A. Ghani Khan Chowdhury took a massive effort to perform it. The first section opened between Esplanade & Bhawanipore (now called Netaji Bhawan). First day Metro Railway Kolkata was started by Sri Tapan Kumar Nath and Sri Sanjay Sil. There were no connections of this stretch with the two depots at Dum Dum & Tollygunge (Now called Mahanayak Uttam Kumar). So metro cars had to be put down on the track near Esplanade by crane, by directly digging the road surface. Initially, only four-car trains were run until 1986. There were no magnetic gates or escalators at that time and ordinary revolving gates served as exits. The Metro too operated on only a single line. Two years later, line 1 extended up to Tollygunge, at the southern end. At the same time, the metro service was extended to the double line. Magnetic tickets and more entry gates were also introduced at that time. The number of compartments in each train was increased to eight.
Metro service was also started from Dum Dum, at the northern end, to Belgachia in parallel with the extension of the line to the south. But this short portion was not popular and the service was closed down to be restarted when the entire stretch along the north–south corridor was completed.
After 1986 many political incidents hampered the construction, and work almost stopped for nearly six years. After restarting work, the Dum Dum to Shyambazar metro service was started in 1994. This portion was served by four-car trains. Two months later, the Esplanade – Chandni Chowk section was opened and Chandni Chowk – Central section opened three months later. The service from Dum Dum to Tollygunge started in 1995, with Mahatma Gandhi Road metro station, opening in 1996. During this time, more magnetic gates and escalators were added and the revolving gates were slowly phased out.
In 2009, a large number of stations on Line 1 were renamed by then Minister of Railways Mamata Banerjee.[3]
On 22 February 2021, the Noapara – Dakshineswar stretch was inaugurated by Prime Minister Narendra Modi.
The following dates represent the dates the section opened to the public, not the private inauguration.
| History | |||
|---|---|---|---|
| Extension date | Terminals | Length | |
| 24 October 1984 | Esplanade | Bhowanipore | 3.40 kilometers (2.11 mi) |
| 12 November 1984 | Dum Dum | Belgachhia | 2.15 kilometers (1.34 mi) |
| 29 April 1986 | Bhowanipur (now Netaji Bhavan) | Tollygunge (now Mahanayak Uttam Kumar) | 4.24 kilometers (2.63 mi) |
| 13 August 1994 | Belgachhia | Shyambazar | 1.63 kilometers (1.01 mi) |
| 2 October 1994 | Esplanade | Chandni Chowk | 0.71 kilometers (0.44 mi) |
| 19 February 1995 | Shyambazar | Girish Park | 1.92 kilometers (1.19 mi) |
| 19 February 1995 | Chandni Chowk | Central | 0.60 kilometers (0.37 mi) |
| 27 September 1995 | Central | Girish Park | 1.80 kilometers (1.12 mi) |
| 22 August 2009 | Tollygunge (Mahanayak Uttam Kumar) | Garia Bazar (now Kavi Nazrul) | 5.85 kilometers (3.64 mi) |
| 7 October 2010 | Garia Bazar (now Kavi Nazrul) | New Garia (now Kavi Subhash) | 3.00 kilometers (1.86 mi) |
| 10 July 2013 | Dum Dum | Noapara | 2.09 kilometers (1.30 mi) |
| 22 February 2021 | Noapara | Dakshineswar | 4.1 Kilometers (2.54 mi) |
| Total | Dakshineswar | New Garia (now Kavi Subhash) | 31.3 kilometers (19.4 mi) |
The stations of this Corridors are:
| Line 1 (Blue Line) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. | Station Name | Location | Phase | Opening | Connections | Layout | Platform Type | Depot | Coordinates | Notes | |
| English | Bengali | ||||||||||
| 1 | Dakshineswar | দক্ষিণেশ্বর | Dakshineswar | 7 | 22 February 2021 |  Dakshineswar
|
Elevated | Side | – | ||
| 2 | Baranagar | বরাহনগর | Baranagar |  (Planned)
|
22°37′23″N 88°25′38″E | Also known as Dunlop Crossing[4] | |||||
| 3 | Noapara | নোয়াপাড়া | Noapara | 6 | 10 July 2013 | (Under Construction)
|
Both side & island | Noapara depot | 22°38′23″N 88°23′38″E | ||
| 4 | Dum Dum | দমদম | Dum Dum | 1B | 12 November 1984 | Dum Dum Jn
|
Side | – | |||
| 5 | Belgachia | বেলগাছিয়া | Belgachia |
|
Underground | Island | |||||
| 6 | Shyambazar | শ্যামবাজার | Shyambazar | 3A | 15 February 1995 |
 Shyambazar Bus Stand | |||||
| 7 | Shobhabazar Sutanuti | শোভাবাজার সুতানুটি | Shobhabazar |
|
|||||||
| 8 | Girish Park | গিরিশ পার্ক | Jorasanko | Girish Park Bus Stop | Also known as Jorasanko | ||||||
| 9 | Mahatma Gandhi Road | মহাত্মা গান্ধী রোড | Burrabazar | 3B | 27 September 1995 | Mahajati Sadan Bus Stop
 Muhammad Ali Park Tram Stop | Also known as Mahajati Sadan | ||||
| 10 | Central | সেন্ট্রাল | Bowbazar | 3A | 15 February 1995 |
|
Both side & island | Also known as Bowbazar | |||
| 11 | Chandni Chowk | চাঁদনি চক | Chandni Chowk |
|
Island | ||||||
| 12 | Esplanade | এসপ্ল্যানেড | Dharmatala | 1A | 24 October 1984 |  (Operational)
Esplanade Bus Station(WBTC,CTC,SBSTC,NBSTC) | International Bus Terminus. Also known as Dharmatala / Chowringhee | ||||
| 13 | Park Street | পার্ক স্ট্রীট | Park Street | (Under Construction)
|
Side | Now Mother Teresa Sarani | |||||
| 14 | Maidan | ময়দান | Maidan | Maidan Bus Stop |
Island | ||||||
| 15 | Rabindra Sadan | রবীন্দ্র সদন | Rabindra Sadan | Exide More Bus Stop
|
Also known as Exide | ||||||
| 16 | Netaji Bhavan | নেতাজি ভবন | Bhawanipore | Netaji Bhawan Bus Stop
|
Also known as Bhawanipore | ||||||
| 17 | Jatin Das Park | যতীন দাস পার্ক | Hazra Junction | 2 | 29 April 1986 | Hazra Bus Stop
|
Also known as Hazra | ||||
| 18 | Kalighat | কালীঘাট | Kalighat | Rasbehari Crossing Tram Stop
|
Also known as Rashbehari | ||||||
| 19 | Rabindra Sarobar | রবীন্দ্র সরোবর | Rabindra Sarobar | Tollygunge
|
Also known as Charu Market | ||||||
| 20 | Mahanayak Uttam Kumar | মহানায়ক উত্তমকুমার | Tollygunge | Tollygunge Tram Depot
|
At Grade | Both side & island | Tollygunge depot | Also known as Tollygunge | |||
| 21 | Netaji | নেতাজি | Kudghat | 4 | 22 August 2009 | Kudghat Bus Stand |
Elevated | Side | – | Also known as Kudghat | |
| 22 | Masterda Surya Sen | মাস্টারদা সূর্য সেন | Bansdroni | Bansdroni Bus Stand |
Also known as Bansdroni | ||||||
| 23 | Gitanjali | গীতাঞ্জলি | Naktala | Rathtala Bus Stop
|
Also known as Naktala | ||||||
| 24 | Kavi Nazrul | কবি নজরুল | Garia | Garia Metro Bus Stop
|
Also known as Garia Bazar | ||||||
| 25 | Shahid Khudiram | শহিদ ক্ষুদিরাম | Briji | 5 | 7 October 2010 | Khudiram Metro Bus Stop
|
Also known as Dhalai Bridge | ||||
| 26 | Kavi Subhash | কবি সুভাষ | New Garia | (Operational)
|
At Grade | New Garia depot | Also known as New Garia | ||||
Alignment & interchanges
Dakshineswar, Baranagar, Dum Dum, Park Street, Mahanayak Uttam Kumar, Netaji, Masterda Surya Sen, Gitanjali, Kavi Nazrul, Shahid Khudiram and Kavi Subhash have side platforms; all other stations have island platforms. Central and Noapara are exceptions as they have both platforms on the sides as well as in the centre. Dakshineswar, Baranagar, Dum Dum, Rabindra Sarovar & Kavi Subhash have connections to interchange with Kolkata Suburban Railway. Shyambazar, Mahatma Gandhi Road, Esplanade, Kalighat, Rabindra Sarobar & Mahanayak Uttam Kumar stations have connections to the tram network. EM Bypass can be accessed from the Shahid Khudiram metro station and Kavi Subhash metro station.
Extension up to New Garia (2010)
Mamata Banerjee during her first tenure as the railway minister initiated the project of Tollygunge – Garia metro extension. During her second tenure (2009–2011) she inaugurated the extension, and also introduced new Air Conditioned rakes, manufactured indigenously at the Integral Coach Factory.
The new extension to Garia Bazar in the south opened to the public on 23 August 2009. The Garia Bazar station was named after Kavi Nazrul. A final extension, in the southern end, from Kavi Nazrul (Garia Bazar) to Kavi Subhash (New Garia) was inaugurated on 7 October 2010, bringing the total number of stations to 23. On the same day, two Air-Conditioned rakes were also pressed into service.
Extension up to Noapara (2013) and Dakshineswar (2021)
The line was extended up to Noapara from Dum Dum on 10 July 2013. The line was further extended from Noapara to Dakshineswar (4.1 km) is now complete & operational. It will be met by a metro line from Barrackpore at Baranagar (12.5 km).[5] Trial runs for this stretch started on 23 December 2020, after delay due to COVID-19 pandemic. The stretch was inaugurated on 22 February 2021 & commercial operations began from the following day.[6]
The stations on this stretch are :
Technical features
Metro construction is of a very complex nature requiring the application of several new technologies in the fields of civil, electrical, signaling and telecommunication engineering. Indian engineers backed by their own experience and supplemented by their studies abroad adopted advanced technologies in the following fields for the first time in India.
- Cut and cover method of construction using diaphragm walls and sheet piles.
- Use of extensive decking to keep the traffic flowing over the cut while construction is in progress underneath.
- Shield tunneling using compressed air and airlocks.
- Ballastless track using elastic fastenings, rubber pads, epoxy mortar and nylon inserts.
- Air-conditioning and ventilation system for environmental control of stations and tunnels.
- Third Rail current collection system for traction.
- Underground substations with dry-type transformers and SF6 circuit breakers.
- Tunnel-Train VHF-radio communication system.
- Microprocessor-based train control and supervisory remote control system for substations.
- Automatic ticket vending and checking system.
Salient features
| Total route length | 32.13 km (19.96 mi) |
| Stations | 26 (15 underground, 2 on the surface and 9 elevated) |
| Gauge | 1676 mm (5 ft 6 in), Indian Broad Gauge |
| Cars per train | 8 |
| Maximum permissible speed | 80 km/h (50 mph) |
| Average speed | 30–31 km/h (18.6–19.3 mph) |
| Voltage | 750 V D.C. |
| Method of current collection | Third Rail |
| Travel Time: Dakshineswar to Kavi Subhash | 62 minutes (approx.) |
| Headways | Average 10 minutes |
| Total estimated cost of the project | ₹18.25 billion (US$228.6 million) (approx.) |
| Environment control | Air condtioners are used in all trains. |
Proposed Feature and Expansion
Platform Screen Doors (PSDs) are a system of full height/half height motorized sliding doors that provide controlled access to the trains and protect the platform edge. PSD work is proposed for all stations in this line to minimize suicidal cases common in this route. This plan was proposed after the successful utilization of Platform Screen Doors to keep the no. of suicidal cases in Kolkata Metro Line 2 to absolute zero.[7]
Metro Railway also plans to extend the platform and viaduct of Dakshineswar metro station by ~90 m (300 ft) via erection of two new pillars beyond the current length to facilitate a crossover so the trains can switch tracks in order to reduce to increase the frequency of services to the Noapara-Dakshineswar stretch.[8]
The whole fleet is vestibuled. Carbodies and mechanical components were made by ICF with electrical components made by NGEF, Bangalore. The fleet is unique in that it is the only railroad equipment in India with end-mounted cab doors (except for some of the WAG-6 series locomotives).
ICF has specifically designed, manufactured and supplied these cars for the first underground railway system. The special features incorporated are:
- Traction power supply through third rail current collection system.
- Automatic door opening/closing and continuous monitoring of the transit.
- Automatic Train Stop (ATS) system which will automatically apply the brakes in case of human failure.
- Automatic train operation (ATO) with the driver acting as the train supervisor (optional).
- A public address system is provided on the trains to announce approaching stations. A central dispatcher can contact any of the train crew and also make important announcements directly to passengers over the system.
With all these features, the design and manufacturing process of these cars to a very high standard of reliability and safety has been a challenge. This was achieved without any technical collaboration.
In 2008, the Kolkata Metro Railway experimented with the practice of reserving two entire compartments for women.[9]
This system was found to be ineffective and caused inconvenience for a lot of commuters (including women) and the plan was eventually dropped by the metro authority. But a certain section of seats in each of the eight compartments is reserved for women.
The founder of Delhi Metro, E. Sreedharan said Indian Railways are not experts at urban transport, and misplanned the Kolkata metro from the beginning.[10] A private company should run the metro and can bring it up to standard in five years.[10]
Since Kolkata Metro is under Indian Railways, it can't take its own independent decisions. It has to rely on Indian Railways for everything (like rakes etc.). The rakes are ordered directly from ICF without floating any global tenders.
- "Kolkata Metro is now the 17th zone of Indian Railways". The Times of India. 29 December 2010. Archived from the original on 4 November 2012. Retrieved 29 December 2010.
- TNN (3 January 2010). "Mamata paves way for Metro's northern journey". Times of India. Retrieved 12 October 2019.
- Express News Service (3 January 2010). "Mamata lays foundation for Dum Dum-Dakshineswar Metro". Express India. Retrieved 7 July 2012.
- Mondal, Biswadeep (23 December 2020). "Metrorail Kolkata conducts first trial run of Kolkata's Dakshineswar Metro". Mint.
- "Metro Rly Seeks Land For Platform Extension". The Times of India.
- "Life in a ladies' Metro". www.telegraphindia.com. Retrieved 21 February 2020.
- "DMRC MD E Sreedharan says many Indian cities need metro rail urgently – Business Today". Businesstoday.intoday.in. 9 January 2012. Retrieved 7 July 2012.
