Calcutta State Transport Corporation (Bengali: কলকাতা রাষ্ট্রীয় পরিবহণ সংস্থা, CSTC) is a West Bengal state government undertaken transport corporation. Headquartered in Kolkata it was set up on 31 July 1948. It plies buses in Kolkata and the nearby districts of West Bengal with some long distance services. CSTC owns 11 depots in Kolkata and some more outside in the districts to station .
Calcutta State Transport Corporation started its journey on 31 July 1948 as State Transport Services with an objective to provide efficient, adequate, economical and properly coordinated passenger bus service particularly in and around the city of Kolkata and in the state of West Bengal in general. On 15 June 1960 the name of State Transport Service has changed to Calcutta State Transport Corporation (CSTC) under the Road Transport Corporation Act, 1950.
By 1966-6graded its service and connects 90 percent of the national highways. To fulfil the demand of rural passengers, CSTC introduced a Long Distance Bus Service (LDS) from Calcutta to Digha in April 1968.
As the part of its expansion programme CSTC was able to set up number of bus routes in the southern part of the West Bengal which were not connected to any means of transport. Apart from this, CSTC is operating a huge fleet of buses in the northern part of the Kolkata, adjoining Calcutta to Siliguri, Calcutta to Malda, Calcutta to Raigunge, Calcutta to Balurghat, Calcutta to Farakka, Calcutta to Khajuria-Ghat. C.S.T.C has also started operating a fleet of Volvo 8400 series buses that cause much less pollution than the aging buses already in use for a long time. Air conditioned buses have also been launched as of July 2014 by CSTC on 40 different routes across the city and suburbs. They are in blue and white livery and is a complete fleet of Volvo 8400 model and JanBus (AC) from Ashok Leyland, bought under JNNURM scheme.
Around 450 JanBus, world's first, has been launched from 30 July 2014. These buses have been manufactured by Ashok Leyland1 Belghoria Depot (Head Office) (BD)2 Garia Depot (GD)3 Howrah Depot (HD)4 Kasba Depot (KD)5 Lake Depot (LD)6 Maniktala Depot (MD)7 Nilgunge Depot (NL)8 Paikpara Depot (PD)9 Salt Lake Depot (SLD)10 Taratala Depot (TD)11 Thakurpukur Depot (TPD)AC1 Jadavpur – Howrah StationAC2 Howrah Station – BarasatAC4 Parnasree – Howrah StationAC4A Parnasree – Sapoorji EstateAC5 Garia Bus Stand - Howrah StationAC6 Garia Bus Stand - Howrah StationAC9 Jadavpur – Salt LakeAC9A Golf Green – DakshineshwarAC9B Jadavpur - EcospaceAC10 Nilgunj - Howrah StationAC12 Sapoorji Estate - Howrah StationAC12D Joka - Howrah StationAC14 Baruipur - Salt LakeAC15 Bantala IT Park - Howrah StationAC17 Thakurpukur - Salt LakeAC17B Kudghat - DunlopAC20 Barrackpore - SantragachiAC23A Rajchandrapur – Salt Lake Depot GateAC24 Patuli - Howrah StationAC25 Dunlop - Salt Lake Depot GateAC37A Garia Bus Stand - Airport TerminalAC37B Garia Bus Stand - Airport Gate No.1AC39 Airport Terminal - Howrah StationAC41 Santragachi – EcospaceAC43 Golf Green - Airport TerminalAC44 Nabanna – New TownAC47 Kudghat – Sapoorji EstateAC48 Kudghat – Bantala IT ParkAC49 Eden City Maheshtala – Airport Gate No.1AC49A Behala No. 14 Terminus – Airport TerminalAC50 Garia Bus Stand – Belur MathAC50A Garia Bus Stand – RajchandrapurAC51 Kudghat - Airport Gate No.1AC52 Amtala - Howrah StationAC53 Santragachi - PatuliAC54 Howrah Station - RathtalaDum Dum Bus station – DankuniTaratala - Budge BudgeE1 Howrah Station – JadavpurE4 Howrah Station – ParnasreeE32 Howrah Station – NilgungeM7C Howrah Station – Sarsuna Sosthir MoreM7D Kankurgachi – Sonamukhi BazarM7E Howrah Station – BagpotaM14 Behala – Bengal Chemical Maniktala DepotM14B Jadavpur – TaratalaM34 Esplanade – Dum Dum Cantonment via Shyambazar, Sinthee MoreMX1 Canal West Bus Stand – Salt Lake Karunamoyee via Manicktala, KankurgachiMX2 Canal West Bus Stand – Esplanade via Manicktala, Sealdah, MoulaliMIDI1 Howrah Maidan – Sealdah3 Dahighat - Sealdah3A/2 Sarsuna - Saltlake Sec 55N Garia Bus Stand - Nabanna6N Garia Bus Stand - Nabanna7 Sarsuna - Howrah Station7A Howrah Station – Sarsuna7N Sarsuna - Nabanna11 Rathtala - Howrah Station11A Dumdum Station - Howrah Station12DN Thakurpukur - Nabanna14A Hari Mohan Ghosh College - Salt Lake19A Rajabagan - Howrah Station19B Taratala - Bawali19S Taratala - Bishalaxmitala33 Paikpara – Chetla75A Behala - RaipurS2 Howrah Station – KudghatS2A Paikpara – PatuliS2B Bagbazar – KalikapurS2N Nabanna – KudghatS3A Sealdah – ThakurpukurS3B Kankurgachi – Behala 14 Bus StandS3W Joka – EcospaceS4 Parnasree – Salt Lake DepotS4B Haridevpur - New TownS4C Haridevpur - Howrah StationS4D Parnasree – New TownS5 Howrah Station – Garia Bus StandS5C Howrah Station – Nayabad (Garia)S7 Howrah Station – Garia Bus StandS9 Jadavpur – Salt LakeS9A Dunlop – Ballygunge StationS9C Patuli - EcospaceS10 Nabanna - Airport Gate No.1S10A Howrah Station – Ballygunge StationS11 Esplanade – NilgungeS12 Howrah Station – New TownS12C Paikpara Depot – Nayabad (Garia)S12D Howrah Station – ThakurpukurS12E Howrah Station – EcospaceS13 Amtala - UltadangaS14 Salt Lake – Garia Bus StandS14B Harimohan Ghosh College – JadavpurS14C Dakshineshwar – New Town AcquaticaS15 Dakghar – JokaS15G Dakshineshwar – BaruipurS16 Thakurpukur -– Salt Lake KarunamoyeeS17A Ariadaha – KudghatS19 Jadavpur – UltadangaS21 Bagbazar – Garia Bus StandS22 Shakuntala Park – Salt Lake KarunamoyeeS23A Rajchandrapur – Salt Lake KarunamoyeeS24 Howrah Station – PatuliS24N Nabanna – PatuliS30 Ultadanga – EcospaceS30A Ultadanga – Salt LakeS30D Dum Dum Park – Salt LakeS31 Jadavpur – Behala ChowrastaS32 Howrah Station – Barrackpore CourtS34 Howrah Station – Dunlop/RathtalaS34A Howrah Station – DakshineshwarS37A Airport Gate No.1 – Garia Bus StandS39 Esplanade – SantragachiS39A Sealdah Station – SantragachiS42 Santragachi – ThakurpukurS44 Nabanna – New TownS45 Shakuntala Park – Kolkata Railway StationS46 Akra Santoshpur – Salt Lake KarunamoyeeS47 Howrah Station – Eden City MaheshtalaS47A Howrah Station – Behala Airport (Parnasree)S48 Behala Chowrasta – Airport Gate No.1S48A Behala Chowrasta – B.B.D. BagS51 Eden City Maheshtala – Garia Bus StandS53 Kolkata Railway Station – Unitech