Approved by the Cabinet Committee on Economic Affairs earlier this month, the corridor will be developed under the Built-Operate-Transfer (BOT) toll model. (Representational Photo)

Guwahati: The journey of Assam tea from a garden in North Assam to markets beyond the state could soon become faster and more predictable, with the Centre approving a Rs 8,970-crore highway corridor linking Baihata Chariali with Tezpur.

The 135.87-km, four-lane, access-controlled Guwahati–Tezpur Corridor on NH-15 is being billed as more than another highway project. It is expected to strengthen one of Assam’s key economic arteries, connecting tea-growing areas, industrial centres, tourism destinations and logistics hubs with Guwahati and the wider Northeast.

Approved by the Cabinet Committee on Economic Affairs earlier this month, the corridor will be developed under the Built-Operate-Transfer (BOT) toll model. The 15.11-km Mangaldoi Bypass is excluded from the project.

A faster road for Assam tea

For Assam’s tea industry, where timing and reliability can be as important as distance, the highway could make a difference.

Tea already moves through a well-established network of factories, transporters, traders and auction centres, with Guwahati serving as a major hub for the state’s tea trade. A smoother highway connection could reduce delays, improve freight predictability and lower vehicle operating costs.

The project estimates a doubling of average travel speeds and a 50% reduction in travel time, alongside better fuel efficiency and lower vehicle operating costs.

For tea producers and transporters, the bigger gain may be reliability — fewer bottlenecks and more predictable movement of tea and other goods.

From tea country to tourism circuit

The highway could also change the way visitors experience North Assam.

The corridor is expected to improve access to major tourism destinations, including the Kamakhya Temple, Kaziranga National Park and Orang National Park, while strengthening the Guwahati–Tezpur connection.

That opens the possibility of broader tourism circuits combining Assam’s wildlife, river landscapes, tea gardens and cultural attractions.

For the tea industry, this could give further momentum to tea tourism, allowing visitors to move more easily between plantations, heritage sites, wildlife destinations and urban centres.

Five bypasses to take pressure off towns

A major feature of the project is its emphasis on bypasses. Five major bypasses, covering 58.7 km, will divert through traffic around Baihata Chariali, Sipajhar, Kharupetia, Dhekiajuli and Tezpur.

The project includes 15 major bridges, 30 minor bridges, 19 flyovers, 46 underpasses and 210 km of service roads to maintain local connectivity alongside the access-controlled highway.

An elephant underpass is also planned on the Tezpur Bypass, reflecting the need to address wildlife movement along the corridor.

A highway plugged into the Northeast’s wider network

The corridor is designed to become an important link in the road connection from Guwahati towards Itanagar and Pasighat in Arunachal Pradesh.

It will connect with eight PM GatiShakti economic nodes, two social nodes, three tourist nodes and seven logistics nodes, including three major railway stations, two airports and two waterway terminals.

The project also includes a 4.9-km Emergency Landing Facility (ELF) on the Tezpur Bypass, to be developed in coordination with the Indian Air Force.

By easing traffic on the existing NH-27 East-West Corridor along the southern bank of the Brahmaputra, the new highway is expected to provide another major route for the movement of people and goods.

For Assam, the significance of the project may ultimately lie beyond the road itself: a faster link between its tea country, tourism hotspots, markets and the wider Northeast could reshape how goods and visitors move across the region.