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India is paving 1,350 kilometers of road with 8 lanes to connect its two largest cities — the drive between Delhi and Mumbai will be reduced from 24 hours to 12, and 929 kilometers are already completed.

Written by Douglas Avila
Published on 22/04/2026 at 06:50
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India is building a 1,350-kilometer highway that will cut travel time between its two largest cities — from 24 hours to 12

A car trip between New Delhi and Mumbai currently takes about 24 hours on congested, pothole-ridden, and dangerous roads. When the Delhi-Mumbai Expressway is complete, this journey will drop to 12 hours on an 8-lane highway — expandable to 12 in the future.

With an estimated investment of ₹90,000 crores (about R$ 54 billion), the project spans 6 Indian states and employs tens of thousands of workers. According to data from the National Highway Authority of India (NHAI), over 929 kilometers are already operational.

It is the largest highway under construction in India. And one of the largest in the world.

1,350 kilometers: more than the straight distance from São Paulo to Porto Alegre

The Delhi-Mumbai Expressway connects India’s political capital to its financial capital. To give an idea of the scale, it is 1,350 kilometers — more than the distance from São Paulo to Porto Alegre.

The highway is divided into 4 main sections and 52 work packages, passing through the states of Haryana, Rajasthan, Madhya Pradesh, Gujarat, Maharashtra, and the territory of Delhi.

Cities like Jaipur, Bhopal, Indore, Ahmedabad, and Vadodara gain direct access to the axis that concentrates most of India’s GDP.

The toll from end to end will cost about ₹2,700 — equivalent to R$ 165 — for a regular car. For trucks that make the trip every day, the time savings represent millions of rupees in productivity.

Indian workers building a viaduct of the Delhi-Mumbai Expressway with cranes and heavy equipment
The construction involves 52 work packages spread across 6 states, with hundreds of viaducts, bridges, and tunnels along 1,350 km.

Over 929 km already ready — and a 246 km segment inaugurated by the Prime Minister

Prime Minister Narendra Modi personally inaugurated the 246-kilometer stretch between Delhi and Dausa-Lalsot in February 2023. This stretch alone reduced the trip from Delhi to Jaipur from 5 hours to 3.

In September 2023, an additional 244 kilometers were opened in Madhya Pradesh. In February 2024, the Vadodara-Bharuch section became operational.

By July 2024, the NHAI reported that over 80% of the work was completed, with 96% of the Delhi-Vadodara sector (845 km) already finished.

By March 2026, the Delhi-Vadodara stretch was “almost 99% completed”, except for the Mukundra Hills Tunnel, which is expected to take another 1 to 1.5 years.

The forecast is that the entire Delhi-Vadodara sector will be inaugurated by December 2026. The Vadodara-Mumbai stretch, more complex due to crossing mountainous regions, is expected to be completed between 2027 and 2028.

8 lanes, colossal viaducts, and a tunnel that crosses a mountain range

The Delhi-Mumbai Expressway is not an ordinary road. It is a controlled access highway, designed exclusively for long-distance traffic and heavy loads.

With 8 lanes from day one — and infrastructure to expand to 12 when demand requires — the expressway is the widest ever built in India.

Among the engineering challenges, the Mukundra Hills Tunnel stands out, which crosses a protected natural reserve in Rajasthan. The project required extensive environmental studies and technical solutions to minimize the impact on local wildlife.

Hundreds of viaducts and bridges distribute traffic over rivers, railways, and existing roads, avoiding crossings that cause bottlenecks and accidents.

Modern bridge of the expressway crossing a river in India at dawn
Hundreds of bridges and viaducts along the 1,350 km eliminate crossings and reduce accidents in one of the busiest regions of India.

R$ 54 billion that will reshape the economy of 6 states

The expressway is not just a road. It is an economic corridor that will connect agricultural regions of inland India to the ports and industrial centers of Mumbai and Delhi.

Trucks that currently take 3 days to transport cargo between the two cities will be able to make the trip in less than 14 hours. For the industry, this means smaller inventories, faster deliveries, and drastically reduced logistics costs.

Intermediate cities like Jaipur, Bhopal, and Ahmedabad gain direct access to the largest wealth corridor in India, attracting industrial and commercial investments.

For a population of 1.4 billion people, improving connectivity between the two largest economic hubs has the potential to transform hundreds of millions of lives.

Brazil has similar distances — but lacks expressways like this

The distance between São Paulo and Rio de Janeiro is 430 kilometers. The Via Dutra, the main connection, has stretches of only 2 lanes in each direction, constant traffic jams, and dozens of deaths per year.

India is building 1,350 kilometers of highway with 8 lanes. Brazil has no road of this scale.

While the NHAI executes 52 work packages in parallel with aggressive deadlines, Brazil has been debating projects like Ferrogrão and the duplication of BR-101 for decades — with no completion in sight.

The Delhi-Mumbai Expressway cost R$ 54 billion. For context, Brazil spent R$ 33 billion on the 2014 World Cup on stadiums, many of which are underutilized.

Truck drivers and travelers resting at a modern service area of the expressway in India
Truck drivers who currently take 3 days between Delhi and Mumbai will be able to make the trip in less than 14 hours via the new expressway.

Delays, costs, and the tunnel that is still missing

The original schedule anticipated total completion in 2024. That did not happen.

Delays in land acquisitions, monsoon rains that halt construction for months, and the complexity of the Mukundra Hills Tunnel have pushed the date to 2027-2028.

The cost may have also increased. Some sources mention revisions to ₹1 lakh crore (₹100,000 crores), indicating a possible budget overrun.

Even so, 929 kilometers already operational is an impressive feat for a country that built all this in less than 7 years.

If India can erect 1,350 km of expressway with 8 lanes in this timeframe, what prevents Brazil from doing the same between São Paulo and Rio — 430 km, without mountains, without monsoons?

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Douglas Avila

I've been working with technology for over 13 years with a single goal: helping companies grow by using the right technology. I write about artificial intelligence and innovation applied to the energy sector — translating complex technology into practical decisions for those in the middle of the business.

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