The Kolkata Metro is a rapid transit system serving the city of Kolkata and the Kolkata Metropolitan Region in West Bengal, India. Opening in 1984, it was the first operational rapid transit system in India, besides being the second busiest and fourth-longest metro network in India. As of March 2024, it has four operational lines: the 32.13 km (19.96 mi) Line 1 from Dakshineswar to Kavi Subhash, 14.1 km (8.8 mi) Line 2 from Salt Lake Sector V to Howrah Maidan, 7.75 km (4.82 mi) Line 3 from Joka to Majerhat and 5.4 km (3.4 mi) Line 6 from Kavi Subhash to Hemanta Mukherjee for a total of 59.38 km (36.90 mi). Two other lines are in various phases of construction and planning. The system has a mix of underground, at-grade, and elevated stations using both broad-gauge and standard-gauge tracks. Trains operate between 06:55 and 22:30 IST and the fares range from ₹5 to ₹50.
The transport system of Kolkata, a city in India, is a mix of modern mass rapid transport and old transport modalities like rickshaws. Kolkata is connected to the rest of India by the National Highways, the extensive network of the Indian Railways, National Waterways and by air. The most traffic to Northeast India route is via Kolkata.
Kolkata Circular Railway, also known as the Kolkata Chakra Rail, is a 36.20 km (22.49 mi) long railway loop line operated by the Sealdah division of the Eastern Railway zone of Indian Railways, encircling the city of Kolkata.
Bidhannagar Road is a Kolkata Suburban Railway junction station on the Sealdah–Ranaghat line. Its code is BNXR. It is linked to the Sealdah South lines via Sir Gurudas Banerjee Halt railway station. It is located in Ultadanga, Kolkata, West Bengal, India. It serves Ultadanga, Kankurgachi, Salt Lake and other surrounding areas in Kolkata.
Barasat Junction is a Kolkata Suburban Railway station in Barasat. It is one of the major suburban railway stations in North 24 Parganas district, West Bengal, India. Generally, people commuting daily use this station for travelling to Kolkata's Central Business District or other towns, with the busiest times at the station being the morning and evening peak periods. This station provides the facility of separate rest rooms for both male & female passengers. Barasat Junction Railway station consists of 6 permanent platforms.
Netaji is an elevated metro station on the North-South corridor of the Blue Line of Kolkata Metro in Kolkata, West Bengal, India. This station is situated opposite to the Kudghat bus stand at Kudghat, in Tollygunge. This station is named after the freedom fighter Netaji Subhas Chandra Bose.
Park Street is an underground interchange metro station on the North-South corridor of the Blue Line and on the Purple Line of Kolkata Metro in Kolkata, West Bengal, India. The station is located on the crossing of Jawaharlal Nehru Road and Park Street after which the station was named). It is one of the deepest underground metro stations of Kolkata Metro. It is the only underground station to have side platforms, which are mostly seen in elevated metro stations.
Belgachia is an underground metro station on the North-South corridor of the Blue Line of Kolkata Metro in Kolkata, West Bengal, India. It is located at Belgachia.
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 broad gauge rolling stock. Dakshineswar, 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. 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.
Kolkata Metro Line 2, also known as the East-West Metro and Green Line, is a rapid transit line of the Kolkata Metro in the Indian state of West Bengal. It currently consists of two distinctly operational sections between Salt Lake Sector-V and Sealdah, and Esplanade and Howrah Maidan by going underneath the Hooghly River, with an eastern extension planned for Teghoria. It will cover a distance of 32.11 km (19.95 mi) and consist of 17 stations from Teghoria (Haldiram) in the east to Howrah Maidan in the west, of which it will consist of 11 elevated and 6 underground stations, and the operational section consists of 6 elevated and 6 underground stations, with a total distance of 22 km (14 mi). It is expected to derive a very high ridership, since it will connect India's two largest commuter railway and long-distance railway terminals, Howrah and Sealdah, along with two of its largest business districts, BBD Bagh and Salt Lake Sector V. At present, more than 100,000 passengers commute through the line every day, and this figure is expected to go up to 1 million after it gets fully completed by 2035. It will also connect the industrial hub of Kolkata, i.e., Howrah and the IT hub of Kolkata, i.e., Salt Lake Sector-V. It connects Line 1 at Esplanade and will eventually connect Lines 3 and 6.
North Kolkata encompasses the northern part of Kolkata, including the city's oldest neighborhoods.
Kolkata Metro Line 3 or the Purple Line is a line of the Kolkata Metro. The 6.5 kilometres (4.0 mi) stretch from Joka to Taratala of the 15.08 kilometres (9.37 mi) line was inaugurated on 30 December 2022 before being extended to Majerhat on 6 March 2024. The route will span 15.08 kilometres (9.37 mi) from Joka in the south, to Esplanade in the north with a future extension of 3.39 kilometres (2.11 mi) to Diamond Park from Joka. It will connect Kolkata Metro Line 1 at Park Street in central Kolkata and run in parallel up to Esplanade in central Kolkata where it will connect Kolkata Metro Line 2 also. Line 3 is being built by Rail Vikas Nigam Limited.
The Kolkata Metro Line 4 or the Yellow Line, also known as the Noapara - Barasat Line of the Kolkata Metro in India is a 16.876 km (10.486 mi) long metro route from Noapara to Barasat in North 24 Parganas, which is under construction. It is being built by RVNL, Senbo & ITD. It will run mostly underground viaducts. The track will be elevated until Jessore Road Station and then go underground towards Barasat metro station. It will have an interchange station at the NSCBI Airport with Kolkata Metro Line 6.
Kolkata Metro Line 6 or the Orange Line of the Kolkata Metro, in the Indian state of West Bengal, is a rapid transit line that will connect New Garia with Netaji Subhas Chandra Bose International Airport via two satellite towns Salt Lake and New Town. It currently operates between Kavi Subhash and Hemanta Mukhopadhyay. This stretch will be one of the most important stretches of the metro because it will connect the southern and the eastern parts of the city with Kolkata Airport. The total distance of this route will be 29.87 km (18.56 mi).
Howrah metro station is a metro station of Kolkata Metro Line 2 in Howrah, India. Built underneath Howrah railway station's new and old complex, the metro station allows interchanging with other zones of Indian Railways as part of the Howrah station transport hub. It is the deepest metro station in India. To the east, the station connects to Mahakaran station in Kolkata through India's biggest under-river metro tunnel beneath the Hooghly river; whilst to the west the adjacent station is Howrah Maidan.
East West Metro Tunnel is an underwater river tunnel of Kolkata Metro in Kolkata, West Bengal. The river tunnel is constructed underneath Hooghly River. It is the biggest underwater river tunnel of India, which is made for metro rail service. The East West Metro Tunnel length is 10.8 km (6.7 mi) and width is 5.5 metres. A 520 m stretch of the tracks goes through a tunnel under the Hooghly River. The roof of the tunnel is about 30 metres from the ground level. The tunnel was completed in 2021. The tunnel is used by East West Metro Line for metro rail service by Kolkata Metro Rail Corporation and it was constructed by Afcons Infrastructure.
Narkeldanga is a neighbourhood in North Kolkata in Kolkata district in the Indian state of West Bengal.
Phoolbagan is a neighbourhood in North Central Kolkata in Kolkata district in the Indian state of West Bengal. Subhas Sarovar is one of the famous tourist attraction of Kolkata present in the locality of Phoolbagan.
Sir Gurudas Banerjee Halt railway station is a Kolkata Suburban Railway station in Narkeldanga, Kolkata. It serves the local areas of Narkeldanga and Phoolbagan in Kolkata, West Bengal, India. A few trains run through this station and halt here. The station has two platforms. Its code is SGBA.
India 
Sir Gurudas Banerjee Halt 
