National Highway 16 (NH 16) also known as Kolkata - Chennai Highway is a major National Highway in India that runs along east coast of West Bengal, Odisha, Andhra Pradesh, and Tamil Nadu. [1] It was previously known as National Highway 5.
The northern terminal starts at Dankuni near Kolkata, West Bengal and the southern terminal ends at Nallur near Chennai, Tamil Nadu. It is a part of the Golden Quadrilateral project to connect India's major cities. [2] [3]
Many cities and towns across the states of West Bengal, Odisha, Andhra Pradesh, Telangana, and Tamil Nadu are connected by National Highway 16. NH 16 has a total length of 1,764 km (1,096 mi) and passes through the states of West Bengal, Odisha, Andhra Pradesh and Tamil Nadu. [4]
Route length in states: [5]
 | This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table.(November 2021) |
NH 19 near Kolkata
NH 12 near Kolkata
NH 116 near Kolaghat
NH 116A near Panskura
NH 14 near Kharagpur
NH 49 near Kharagpur
NH 18 near Baleshwar
NH 316A near Bhadrak
NH 20 near Panikoili
NH 53 near Chandikhol
NH 55 near Cuttack
NH 316 near Bhubaneswar
NH 57 near Khordha
NH 516A near Palur
NH 59 near Brahmapur NH 516A near Brahmapur
NH 326A near Narasannapeta
NH 26 near Natavalsa
NH 216 at Kathipudi
NH 216A at Rajamahendravaram
NH 516E at Rajamahendravaram
NH 365BB at Kovvur near Rajamahendravaram
NH 516D at Devarapalli NH 216A at Gundugolanu near Eluru 
NH 65 at Vijayawada
NH 544D near Guntur
NH 167A Chilakaluripet NH 216 near Ongole
NH 167B Singarayakonda
NH 167BG Kavali
NH 67 Nellore
NH 71 Naidupeta
NH 716A Janappachataram
NH 716 Chennai
NH 48 Chennai Terminal pointThe toll plazas from Kolkata to Chennai are listed below:
The East Coast Railway is one of the 19 railway zones of Indian Railways. It came into existence on 1 April 2003. The headquarters of the zone are at Bhubaneswar, Odisha.
East Godavari is a district in the Coastal Andhra region of Andhra Pradesh, India. Its district headquarters is at Rajamahendravaram.
Rajahmundry, officially Rajamahendravaram, is a city in the Indian state of Andhra Pradesh and district headquarters of East Godavari district. It is the seventh most populated city in the state. During British rule, the district of Rajahmundry was created in the Madras Presidency in 1823. It was reorganised in 1859 and bifurcated into the Godavari and Krishna districts. Rajahmundry was the headquarters of Godavari district, which was further bifurcated into East Godavari and West Godavari districts in 1925. It is administered under Rajahmundry revenue division of the East Godavari district. The city is known for its floriculture, history, culture, agriculture, economy, tourism, and its heritage. It is known as the "Cultural Capital of Andhra Pradesh".
The Coromandel Express is a Superfast Express train of Indian Railways. The train runs down the east coast of India between Shalimar railway station, West Bengal, and M. G. R Chennai Central railway station, Tamil Nadu. The train service is run by South Eastern Railway zone. The route travels across the eastern coast of India along the Bay of Bengal, called the Coromandel Coast, so giving the service its name.
National Highway 6 & Economic Corridor 1 (EC1), was a National Highway in India that has been separately designated under the new national highway numbering system. It was officially listed as running over 1,949 km (1,211 mi) from Surat to Kolkata. The route was also known as Asian Highway 46 (AH46) & Mumbai - Kolkata Highway and Great Eastern Highway.
AH45 is a route of the National Highway Network of India, running 2,116 kilometres (1,315 mi) from in Kolkata to Krishnagiri. This route is composed of NH 16 and part of NH 48 from Chennai to Krishnagiri.
National Highway 716 is a National Highway in India. It starts from its junction with NH 16 near Chennai in Tamil Nadu and terminates at its junction with NH 67 near Muddanur in Andhra Pradesh.
The Howrah–Chennai main line is a railway line connecting Chennai and Kolkata cutting across Eastern Coastal Plains of India. It covers a distance of 1,661 kilometres (1,032 mi) across, West Bengal, Odisha, Andhra Pradesh and Tamil Nadu.
MGR Chennai Central – New Jalpaiguri SuperFast Express is a superfast express of Southern Railway connecting Indian cities Chennai the capital of Tamil Nadu and Siliguri the largest metropolis of North Bengal. This is the first direct train service originating from MGR Chennai Central and terminating at New Jalpaiguri (Siliguri). The train connects Eastern and Southern part of India covering the states of West Bengal, Bihar, Orissa, Andhra Pradesh & Tamil Nadu. It also passes through Sahibganj district & Pakur district of Jharkhand but does not have any stoppages there.
New Tinsukia–Tambaram Weekly Express is a weekly Express train which connects New Tinsukia Junction railway station in Tinsukia, Assam, with and Tambaram in the South Indian metropolis of Chennai, Tamil Nadu. This train travels a total distance of 3175 km.
The 22501/02 New Tinsukia–SMVT Bengaluru Express is a weekly Superfast train which connects Tinsukia, the easternmost town of Assam with the South Indian Metropolis of Bengaluru. The train consists of AC 1st class, 2-tier, 3-tier and sleeper-class coaches. It is 6th longest train service of Indian Railways, as of 2023, which travels a total distance of 3542 kilometres.
Nagaon Express, is a weekly Express train belonging to Northeast Frontier Railway zone of Indian Railways that connects Silghat Town of Assam and Tambaram in the South Indian metropolis of Chennai, Tamil Nadu. The train was extended to Tambaram on a trial basis from August 2017. The train was also extended from Guwahati to Silghat Town.
The East Coast Economic Corridor (ECEC) is India’s first coastal economic corridor, covering 2500 km of India's coastline, to be developed with the help of the Asian Development Bank (ADB). The ADB is to invest $500 million in infrastructural development of the project. Since late 2013, ADB has been supporting studies on transport corridors in India. Phase 1 of the ECEC is Visakhapatnam-Chennai Industrial Corridor (VCIC) which had been approved by the ADB board in October 2016. The ECEC running along the entire east coast of India from Kolkata to Kanyakumari, is a multimodal, regional maritime corridor that can play a vital role in unifying the large domestic market, as well as integrating the Indian economy with the dynamic global value chains of Southeast and East Asia. It would play a crucial role in the Government of India’s (GoI) Make in India campaign and also supports the port-led industrialization strategy under the Sagar Mala initiative and the Act East Policy by linking domestic companies with the vibrant global production networks of East and Southeast Asia.
Howrah–Ernakulam Antyodaya Express is a superfast express train of the Indian Railways connecting Howrah Junction in Kolkata and Ernakulam Junction in Kochi. It is currently being operated with 22877/22878 train numbers on a weekly basis. It has been a lifeline for the migrant workers from Eastern India. Thousands of workers use this train to travel from West Bengal and Odisha to the industrial cities in Kerala, Tamil Nadu and Andhra Pradesh.
National Highway 216A is a National Highway in the Indian state of Andhra Pradesh. It starts from Rajamahendravaram, passes through Ravulapalem, Tanuku, Tadepalligudem, and terminates at Eluru.
National Highway 365BB is a national highway in India. It is a secondary route of National Highway 65. NH-365BB traverses the states of Telangana and Andhra Pradesh in India. It starts at Suryapet and ends at Kovvur(Rajamahendravaram).Major cities on this route are Suryapet, Khammam and Rajamahendravaram.
Alipurduar – Secunderabad Express is an Indian Railways express train belonging to Northeast Frontier Railway, connecting Alipurduar Junction in West Bengal and Secunderabad in Hyderabad, Telangana. It currently operates on a once-weekly basis, with train numbers 05479 and 05480. The train passes through West Bengal, Bihar, Jharkhand, Odisha, Andhra Pradesh, and Telangana. The train starts from Alipurduar Junction at 22:30 on Friday and reaches Secunderabad at 16:15 on Sunday. During its journey the train travels through cities including Alipurduar, Siliguri, Malda, Kolkata, Kharagpur, Cuttack, Bhubaneswar, Vizianagaram, Visakhapatnam, Rajahmundry, Vijayawada, Guntur and Hyderabad.
The Silchar-Coimbatore Superfast Express is a Superfast train of the Indian Railways belonging to Northeast Frontier Railway connecting Silchar in Assam and Coimbatore Junction in Tamil Nadu. It is currently being operated with 12516/12515 train numbers on once in week basis. The train passes through Assam, West Bengal, Bihar, Jharkhand, Odisha, Andhra Pradesh and Tamil Nadu. It starts from Silchar at 20:10 on Tuesday and reaches Coimbatore Junction at 12:00 on Friday. During its journey the train travels through major cities like Guwahati, Siliguri, Malda, Kolkata, Kharagpur, Cuttack, Bhubaneswar, Vizianagaram, Visakhapatnam, Rajahmundry, Vijayawada, Chennai, Vellore, Salem, Erode and Coimbatore. It holds the record of 8th longest running train of Indian Railways that covers 3492 km. .
The 12509 / 12510 Kaziranga Superfast Express is a Superfast express train operated by Northeast Frontier Railway zone that runs between Guwahati the capital city of Assam and Bangalore the capital of Karnataka in India. It is currently being operated with 12509/12510 train numbers on tri-weekly basis.
The 13434/13433 Malda Town - SMVT Bengaluru Amrit Bharat Express is India's 2nd Non-AC Superfast Amrit Bharat Express train, which runs across the states of Karnataka, Tamil Nadu, Andhra Pradesh, Odisha, Jharkhand and West Bengal by connecting the city of Malda Town in West Bengal with Bangalore, the capital city of Karnataka.
 Highways in India | ||
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| Expressways |
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| National highways (list) |
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| State highways |
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| Notable | ||
Secondary routes of National Highway 16 | ||
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 Route in States of India |  | |
| Secondary Routes of NH 16 | ||
| Across the whole continent |  | |
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| Southeast Asia | ||
| East Asia, Northeast Asia and Southeast Asia | ||
| South Asia | ||
| North Asia, Central Asia and Southwest Asia | ||
