Work on BR-280 Advances! 1 km Double Tunnel and Modernization of the Highway Promise More Safety and Fluidity in Traffic in SC, with 70% of Construction Already Completed.
The bypass of Jaraguá do Sul is nearing 70% completion, a fundamental milestone for the duplication of the highway in SC. The latest update released by the National Department of Transport Infrastructure (DNIT) indicates a measurement of 67.4% in the duplication lot of BR-280, consolidating the progress of the road infrastructure in the northern region of Santa Catarina. With a significant investment of R$ 977 million, this segment is among the most relevant of the project and is expected to undergo new adjustments throughout this year.
The duplication of the highway in SC, which began in 2014, has had its contract extended several times and now has a valid deadline until 2025. Given the volume of work and the challenges faced over the years, experts believe that further extensions may be announced.
So far, R$ 658 million have been spent, ensuring notable progress, such as the construction of the 1 km double tunnel, an essential structure for optimizing mobility and safety for drivers traveling through the stretch.
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Tunnel Under Construction on BR-280: Modern and Strategic Structure for the Region
One of the highlights of the mega project is the tunnel under construction on BR-280, which will feature two parallel galleries, allowing for a continuous and safe flow of vehicles. This 1 km double tunnel is one of the most complex parts of the project and represents a significant advancement in road engineering in the region. With the implementation of this structure, substantial improvements in logistics and cargo flow are expected, benefiting the local economy and the productive sectors of Santa Catarina.

The works on the bypass of Jaraguá do Sul are within the technical planning, with excavations and concrete pouring progressing rapidly. According to the DNIT, the completion of this tunnel under construction on BR-280 is one of the most anticipated milestones of the duplication of the highway in SC, as it will considerably reduce the travel time between municipalities and minimize the risk of accidents in previously congested urban areas.
Impact of Highway Duplication in SC on Traffic and Economic Development
The duplication project of BR-280, which comprises a stretch of 75 km between São Francisco do Sul and Jaraguá do Sul, is one of the most ambitious of Santa Catarina’s road infrastructure. Lot 2.2, which includes the double tunnel and other large structures, is the most costly among the three segments of the duplication. With an extension of 24 km, this stretch redesigns the highway layout, diverting traffic from the urban perimeter of Guaramirim, Schroeder, and Jaraguá do Sul.

The duplication of the highway in SC will bring a series of benefits, such as a reduction in congestion, a decrease in the number of accidents, and an increase in the capacity to transport industrial and agricultural products.
With improved conditions on BR-280, the state of Santa Catarina strengthens its role as one of Brazil’s main logistics corridors.
Challenges and Perspectives for the Completion of the Work on BR-280
Although the duplication of BR-280 has advanced significantly, there are still challenges ahead. The funding for the project, the environmental impact, and the technical complexity of the tunnel under construction on BR-280 are factors influencing the progress of the project. Additionally, the need for contractual adjustments and new deadlines may delay the final completion.

Still, the expectation is that the mega project will bring lasting benefits to the region. The 1 km double tunnel, together with the new lanes and viaducts, will make BR-280 a more modern and efficient highway, enhancing the quality of transportation infrastructure in the state. Closely monitoring the evolution of this work is essential to understand how engineering and public investments can transform mobility and regional economic development.
With 70% of the project already executed and a timeline extending until 2025, the duplication of BR-280 remains one of the most strategic undertakings in Brazil. The construction of the double tunnel and other structures strengthens the logistical integration of Santa Catarina, ensuring more safety, fluidity, and efficiency for all highway users.
Source: NSC Total

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