Infrastructure
80 events, 1806 to 2026; 2 marked as turning points.
1806
First segment of the Buckingham Canal opens
In 1806 a saltwater canal linking Madras with Ennore was finished; it would later form part of the Buckingham Canal.

1836
Red Hill Railway carries granite to Madras
Built by Arthur Cotton as an early experiment, the Red Hill Railway hauled granite from Red Hills into Madras for road works.
Arthur Cotton builds the Upper Anaicut at Mukkombu
Arthur Cotton built the Upper Anaicut regulator where the Kollidam branches from the Kaveri, between 1836 and 1838.

1844
Madras's first standalone lighthouse begins operation
A granite Doric column built north of Fort St. George began working as Madras's lighthouse on 1 January 1844.

1845
The Madras Railway was established to build the first main line railways of South India.

1852
Wellington cantonment established in the Nilgiris
The military station of Jakkatalla in the Nilgiris was renamed Wellington and construction of its barracks began.

1853
Railway construction begins at Royapuram
Work on South India's first main railway line, from Madras towards Arcot, began at Royapuram in 1853.

1856
First train in South India, Royapuram to Wallajah Road
The Madras Railway opened South India's first railway line, from Royapuram in Madras to Wallajah Road near Arcot.

1862
Madras Railway reaches the west coast at Beypore
The Madras Railway completed its line to Beypore, linking Madras by rail with the west coast; a branch to Bangalore followed in 1864.

1869
Napier Bridge built over the Cooum
Planned by Governor Lord Napier, a cast iron lattice bridge went up over the Cooum's mouth, joining Fort St. George to the Marina side.

Carnatic Railway Company founded
Founded in 1869, the Carnatic Railway Company combined with the Great Southern of India Railway in 1874 to create the South Indian Railway.

1871
Madras and Bombay linked by rail at Raichur
At Raichur the Madras Railway met the Great Indian Peninsula Railway, opening a through rail route from Madras to Bombay.

1873
Madras Central railway station built
Designed by George Harding and later altered by Robert Chisholm, Madras Central station was put up by the Madras Railway as its terminus in the city.

1874
South Indian Railway Company formed
In 1874 the Great Southern of India Railway merged with the Carnatic Railway to create the South Indian Railway Company, later based at Trichinopoly.

1876
Red Hills (Puzhal) reservoir built for Madras
The Puzhal reservoir at Red Hills was built to supply water to Madras, and remains one of the city's main reservoirs.
1877
Buckingham Canal extended as famine relief
A section of the coastal canal linking the Adyar and Cooum rivers was dug as famine relief work, and the canal was renamed the Buckingham Canal.

1881
Madras Harbour begins operations
An artificial harbour at Madras began handling ships in 1881, though a cyclone the same year wrecked much of the breakwater.

1884
Governor Grant Duff creates the Marina promenade
Governor Mountstuart Elphinstone Grant Duff laid out a promenade along the Madras beach in 1884 and named it the Marina.

1895
Electric trams begin in Madras
The Madras Electric Tramways began service, the first electric tram system in India.
1899
Nilgiri Mountain Railway opens to Coonoor
In June 1899 the Nilgiris rack railway between Mettupalayam and Coonoor was finished and began carrying traffic.

1908
Madras Egmore station building opens
The Indo-Saracenic terminal of Egmore station, Madras terminus of the South Indian Railway, was opened on 11 June 1908.
Nilgiri Mountain Railway reaches Ooty
The rack railway from Mettupalayam, opened to Coonoor in 1899, was extended to Udhagamandalam (Ooty) in 1908.

1914
The Pamban Bridge, India's first sea bridge, opened, linking Rameswaram on Pamban Island to the mainland by rail.

1928
Golden Rock railway workshop opens at Tiruchirappalli
The South Indian Railway moved its central workshop from Nagapattinam to Golden Rock in Tiruchirappalli.
1930
Madras aerodrome and Madras Flying Club begin operations
The Madras Flying Club came into existence and the Madras aerodrome, ancestor of Chennai airport, was commissioned.

1931
First electric suburban trains in Madras
The first electric suburban rail service in Madras began between Madras Beach and Tambaram.

1932
Pykara hydroelectric power station commissioned
The Pykara hydroelectric scheme in the Nilgiris began generating power, the first major hydroelectric project in the Madras Presidency.

Tata air mail service reaches Madras
Tata Air Lines' inaugural air mail run from Karachi through Bombay went on to Madras, the first scheduled flight to touch down there.

1934
The Mettur Dam across the Cauvery was completed, creating the Stanley Reservoir and expanding irrigation in the delta.

1939
S. Satyamurti becomes Mayor of Madras
Congress leader S. Satyamurti served as Mayor of Madras and pressed for the Poondi reservoir to improve the city's water supply.

1954
First passenger terminal built at Meenambakkam airport
Meenambakkam got the first passenger terminal of Madras airport, which then served as a customs airport handling a few international flights.

1955
Lower Bhavani (Bhavanisagar) Dam completed
Work was completed on the Bhavanisagar Dam over the Bhavani river, the first major irrigation project of independent India.
1957
The Amaravathi Dam was built across the Amaravathi river near Udumalpet for irrigation and flood control.

Madras State Electricity Board formed
The Madras State Electricity Board, later the Tamil Nadu Electricity Board, took over power generation and distribution in the state.
1959
Chief Minister K. Kamaraj inaugurated the Vaigai Dam, which supplies irrigation and drinking water to Madurai and the southern districts.

1970
Construction of Madras Atomic Power Station begins at Kalpakkam
Work began on the Madras Atomic Power Station at Kalpakkam, India's first indigenously built nuclear power station.

Ennore Thermal Power Station commissioned
The coal-fired Ennore Thermal Power Station north of Madras began generating electricity, with units added through 1975.

1971
Tamil Nadu Water Supply and Drainage Board given statutory status
Set up in 1969, the TWAD Board was made a statutory body in charge of water supply and sewerage everywhere outside Madras.
1972
Pallavan Transport Corporation formed for Madras buses
The Pallavan Transport Corporation took over city bus services in the Madras metropolitan area with 1,029 buses.

1973
Anna (Gemini) Flyover opened in Madras
The Anna Flyover on Mount Road, the first flyover in Madras and then the longest in India, was opened to traffic.

Siruvani drinking water agreement for Coimbatore
Tamil Nadu and Kerala agreed that the Siruvani dam in Kerala would supply drinking water to Coimbatore.

1974
The new all-weather harbour at Tuticorin began operations as a major port, now known as V. O. Chidambaranar Port.

Poompuhar Shipping Corporation founded
The state-owned Poompuhar Shipping Corporation was founded; it later ran the ferries to the Vivekananda Rock at Kanyakumari.
1977
Krishna water supply (Telugu Ganga) project agreed for Madras
Tamil Nadu and the Krishna basin states agreed on a scheme to carry Krishna river water to Madras city, later built as the Telugu Ganga project.

1979
First unit of Tuticorin Thermal Power Station commissioned
The first unit of the coal-fired Tuticorin Thermal Power Station was commissioned, with further units added through 1992.

1984
First unit of Madras Atomic Power Station reaches full power
At Kalpakkam, MAPS-1, the first nuclear power reactor India built largely on its own, reached full-power operation.

1987
Mettur Thermal Power Station begins generating
The first unit of the Mettur Thermal Power Station, the state utility's first inland coal-fired plant, was commissioned.
1988
Road bridge to Rameswaram opened
A road bridge parallel to the Pamban railway bridge opened, giving Rameswaram island its first road link to the mainland.

1990
Madras Motor Race Track opens at Irungattukottai
A permanent motor racing circuit was inaugurated at Irungattukottai near Madras, becoming the centre of Indian motorsport.

1995
Chennai MRTS opens, India's first elevated railway
India's first elevated urban railway came into service when the opening section of Chennai's Mass Rapid Transit System, linking Beach and Chepauk, began running.

Madras hosts the 7th South Asian Games
The 7th South Asian Federation Games were held in Madras, with the rebuilt Jawaharlal Nehru Stadium as the main venue; India topped the medal table.
1996
Koyambedu wholesale market complex opens
On Chennai's western side, the Koyambedu Wholesale Market Complex, one of the largest perishable goods markets in Asia, was opened.

1999
Ennore's new port, north of Chennai, gained major port status and was incorporated as Ennore Port Limited, the first major port in India run as a company.
2000
TIDEL Park inaugurated in Chennai
TIDEL Park, one of the largest IT parks in South Asia at the time, was inaugurated in Chennai by Prime Minister Vajpayee.

2002
Chennai Mofussil Bus Terminus opens at Koyambedu
The Chennai Mofussil Bus Terminus at Koyambedu was opened to the public, becoming the city's main hub for long-distance buses.

2004
New Veeranam water supply project completed
A project to pipe water from Veeranam Lake to Chennai, first conceived in 1967, was completed during a severe water shortage.

Madurai Bench of the Madras High Court opens
A permanent bench of the Madras High Court began functioning in Madurai to serve the southern districts.

2005
Nilgiri Mountain Railway added to UNESCO World Heritage list
UNESCO added the Nilgiri Mountain Railway as an extension of the Mountain Railways of India World Heritage Site.

Sethusamudram Shipping Canal Project inaugurated
Prime Minister Manmohan Singh launched work on a shipping canal between India and Sri Lanka, a project later stalled by the Ram Setu dispute.

2006
Anaithu Grama Anna Marumalarchi Thittam
A village development programme of the Karunanidhi government aimed to give every village panchayat basic infrastructure, including a library.
2007
Ram Setu affidavit controversy
A government affidavit telling the Supreme Court there was no historical proof that Adam's Bridge was built by Rama intensified opposition to the Sethusamudram canal.

2008
108 free emergency ambulance service begins
The state health department launched the free 108 emergency ambulance service, run in partnership with GVK-EMRI.
Hogenakkal Integrated Drinking Water Project
A Cauvery-based drinking water scheme for Dharmapuri and Krishnagiri districts was begun in 2008 amid objections from Karnataka and launched in 2013.

Kathipara cloverleaf grade separator opens
The Kathipara cloverleaf interchange near Guindy, one of the largest in South Asia at the time, was fully opened to traffic.

2009
Construction of the Chennai Metro begins
Work started on the first phase of the Chennai Metro, approved by the state government in November 2007, with an elevated viaduct at Koyambedu.

2010
Kalaignar Veettu Vasathi Thittam to replace huts
The DMK government launched a scheme to convert thatched rural huts into permanent concrete houses over six years.
New Assembly-Secretariat complex inaugurated
A new legislature and secretariat building on Anna Salai was opened, but the next government moved back to Fort St. George and turned it into a hospital.

Anna Centenary Library opens in Kotturpuram
A large public library named after C. N. Annadurai opened in Chennai on his birth anniversary.

2013
Kudankulam reactor 1 connected to the grid
Following years of delay and protest, the first VVER-1000 reactor at Kudankulam was synchronised with the power grid.

2014
Chennai Outer Ring Road phase I opens
The first phase of the Chennai Outer Ring Road, built to divert traffic around the city, was opened to the public.

2015
The first stretch of Chennai Metro, between Koyambedu and Alandur, opened to passengers.

2023
Kalaignar Centenary Library opens in Madurai
A large state-run public library named after M. Karunanidhi was opened in Madurai.

Passenger ferry between Nagapattinam and Kankesanthurai begins
A high-speed passenger ferry began sailing between Nagapattinam in Tamil Nadu and Kankesanthurai in Sri Lanka's Jaffna district.
Kalaignar Centenary Bus Terminus opens at Kilambakkam
To ease pressure on Koyambedu, a new long-distance bus terminus was opened at Kilambakkam on the southern fringe of Chennai.

2024
Kalaignar Kanavu Illam housing scheme
A rural housing scheme announced in the 2024-25 budget aimed to build eight lakh concrete houses and make Tamil Nadu hut-free by 2030.
Foundation of ISRO's Kulasekarapattinam launch complex
ISRO's second spaceport, for small satellite launch vehicles, was launched at Kulasekarapattinam in Thoothukudi district.
Night street race on the Chennai Formula Racing Circuit
A street circuit around Island Grounds in Chennai staged a round of the Indian Racing League alongside the F4 Indian Championship.
Glass bridge links Thiruvalluvar Statue and Vivekananda Rock
A glass-floored pedestrian bridge over the sea linking the Thiruvalluvar Statue and Vivekananda Rock Memorial was opened at Kanyakumari.

2025
India's first vertical lift sea bridge, linking Rameswaram island to the mainland, replaced the 1914 Pamban Bridge.

2026
Parandur airport project dropped
Chief Minister Vijay announced in the Assembly that the proposed second Chennai airport at Parandur would be scrapped and a new site sought.