Transport Network of Odisha - Roads

Network Density and Classification

Odisha has a total road network of approximately 2.5 lakh kilometres, comprising national highways (around 5,000 km), state highways (around 4,000 km), major district roads (around 7,500 km), other district roads, and rural roads. The road density is about 160 kilometres per 100 square kilometres of geographical area, which, while respectable, conceals wide spatial variation. The coastal districts have a denser network, while the forested, hilly, and tribal-dominated interior districts — Malkangiri, Kandhamal, Rayagada, Nabarangpur — have substantially lower connectivity. The road network is the primary mode of transportation for passengers and a significant mode for freight, particularly for agricultural produce, consumer goods, and construction materials that move over relatively short distances.

National Highways: The Backbone

The national highway network in Odisha has expanded significantly since the launch of the National Highways Development Project (NHDP) in the late 1990s. The most important national highways traversing Odisha include:

NH-16 (formerly NH-5), part of the Golden Quadrilateral and the Kolkata-Chennai corridor, is the most important road in Odisha. It runs for about 530 kilometres within the state, connecting all the major urban centres of the coastal plain: Balasore, Bhadrak, Cuttack, Bhubaneswar, and Berhampur. It has been progressively upgraded to a four-lane divided highway and is one of the most heavily trafficked stretches in eastern India, carrying a mix of long-distance trucks, buses, and local traffic. The Bhubaneswar-Chandikhole stretch of NH-16 has been expanded to six lanes to accommodate the growing traffic volume.

The NH-20 (Cuttack-Sambalpur) and NH-53 (Sambalpur-Bargarh-Deogarh) are the principal links connecting the coastal belt with the interior and central tablelands. NH-49 from Panikoili (on NH-16) to Keonjhar and further is the critical transport corridor for the iron ore mines of Keonjhar and the Kalinganagar steel complex, with a very high proportion of freight traffic. The road network in the western and southern tribal districts — the KBK region — is the weakest link. While progress has been made in constructing all-weather roads under the Pradhan Mantri Gram Sadak Yojana (PMGSY) and the state’s Biju Setu Yojana for bridges, many interior areas remain inaccessible during the monsoon, and travel times within these districts are long due to the winding roads through forested hills.

State Highways and Rural Roads

The state highway network complements the national highways, providing connectivity between district headquarters and linking agricultural markets to consumption centres and railway loading points. The major state highways include the Cuttack-Paradip road (critical for port connectivity), the Puri-Konark marine drive (scenic tourism route), the Bhubaneswar-Puri road (high-density pilgrim and tourist traffic), the Berhampur-Khallikote-Baliguda road connecting the coast to the interior, and the Rourkela-Biramitrapur road serving the cement and limestone belt. The rural road network, constructed under the PMGSY, has connected a large number of previously unconnected habitations (villages with a population of 250 or more in the plains and 100 or more in the hills and tribal areas). As of recent data, over 95 per cent of eligible habitations in Odisha have been connected by all-weather roads.

Road Transport and Traffic

Road transport in Odisha is dominated by buses operated by the state-owned Odisha State Road Transport Corporation (OSRTC) and private operators, along with a massive fleet of goods vehicles — trucks, trailers, and dumpers — that move freight, particularly minerals, agricultural produce, and construction materials. The mineral-rich mining districts, particularly Keonjhar and Sundargarh, see a very high density of heavy commercial vehicles (dumpers and tippers) transporting iron ore from mines to railway sidings and nearby processing plants. These vehicles, often overloaded, cause rapid deterioration of road surfaces and pose road safety hazards. The coastal highway (NH-16) sees heavy traffic of long-distance trucks carrying goods between Kolkata and Chennai, while the Bhubaneswar-Cuttack-Puri triangle registers the highest passenger vehicle traffic.

Road safety is a serious concern in Odisha. The state records a high number of road accident fatalities annually, driven by a combination of factors: the presence of heavy slow-moving mineral trucks on narrow, often poorly maintained state highways and district roads; the mixing of high-speed passenger and freight traffic on the NH corridors; inadequate enforcement of traffic rules; and the absence of pedestrian crossings and footpaths in most towns and villages along the highways. The Government has been implementing a road safety programme involving black-spot identification and correction, signage installation, and traffic enforcement, but the challenge remains formidable given the volume and diversity of traffic.

Ongoing and Future Projects

Several major road infrastructure projects are under construction or planned in Odisha. The Biju Expressway, often called the ‘Odisha lifeline’, is a project to construct a high-speed corridor from Rourkela in the north to Ampani in the south, passing through Sambalpur, Bhawanipatna, and Koraput, connecting the western and interior districts. The Bhubaneswar-Cuttack elevated expressway is planned to address the chronic congestion on this urban corridor. The expansion of the NH-16 to six lanes in the busiest sections and the improvement of the key freight corridors connecting mines to ports are ongoing. The State Government’s road sector policy emphasises public-private partnerships (PPPs), the use of modern construction materials (cold mix, warm mix, recycling), and the integration of tree plantation and landscape management into highway projects. The overall objective is to create a multi-modal transport network where roads, railways, and ports function as an integrated system, ensuring that Odisha’s industrial and agricultural produce can reach domestic and international markets efficiently and at low cost.