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Discover the country’s first paved highway, the BR-040, its history, economic importance, and modernization plans.
The BR-040, considered the country’s first paved highway, currently connects Rio de Janeiro to Brasília and plays a strategic role in national integration. Created in 1861 during the imperial period, the road emerged to facilitate transportation between important economic regions.
Over the years, it underwent expansions, received investments, and established itself as one of the main axes between the Southeast and the Midwest, maintaining historical and logistical relevance to this day.
Origin of the country’s first paved highway
The road that today comprises the BR-040 was inaugurated by Dom Pedro II under the name Estrada União e Indústria.
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Initially, it connected Rio de Janeiro to Petrópolis and was mainly used by merchants and coffee producers.
The paving process began in 1928, initiated by then-president Washington Luís.
This milestone established the route as the country’s first paved highway, especially in the section between the capital of Rio de Janeiro and Petrópolis. Subsequently, the works advanced to Juiz de Fora, increasing its regional importance.
Expansion and national integration
Over time, the highway was expanded and gained even more relevance. During the government of Juscelino Kubitschek, the road became part of the route to Brasília, strengthening its role as a link between different regions of the country.
Currently, the BR-040 is approximately 1,170 kilometers long and crosses several states, contributing to the transportation of people and goods.
States and district served by the highway:
- Rio de Janeiro
- Minas Gerais
- Goiás
- Federal District
Additionally, it connects important industrial centers, which reinforces its economic relevance.
When it was designed, the road presented innovative solutions for the time. The technique used, known as macadamization, consisted of the layering and compaction of stones.
This method allowed vehicles to reach speeds of up to 20 km/h, something considered advanced in the 19th century. Thus, the country’s first paved highway also stood out for its pioneering use of technology.
BR-040: Economic importance and connected regions
The highway connects important industrial hubs, directly contributing to economic development.
Main cities connected:
| City | State |
| Juiz de Fora | MG |
| Três Rios | RJ |
| Duque de Caxias | RJ |
| Campo Grande | RJ |
| Santa Cruz | RJ |
This connection facilitates the flow of production and strengthens integration between industrialized regions.
Modernization and recent investments
In April 2025, the section between Rio de Janeiro and Juiz de Fora was auctioned. The project foresees investments of R$ 8.84 billion, according to the Ministry of Transport.
The objective is to adapt the highway to current traffic demands, ensuring greater safety and efficiency. In this way, the country’s first paved highway continues to evolve to meet modern needs.
More than just a transport route, BR-040 represents an important chapter in Brazilian history. From its creation in the imperial period to current modernization projects, the road maintains its role as a fundamental link between regions.
Source: IG
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