The Expansion of the Highway with an Investment of R$ 300 Million Promises to Solve Traffic Problems by Improving Flow and Road Safety, as Well as Generating Jobs and Bringing Economic Benefits to the Region.
A Billion-Dollar Project Will Transform Traffic on One of São Paulo’s Busiest Highways – but the Impact Goes Far Beyond Improving the Lanes
A new intervention promises to change the traffic dynamics on the Washington Luís Highway (SP-310), one of the main roads in São Paulo.
EcoNoroeste, the concessionaire responsible for managing the stretch, announced an ambitious project that goes beyond simple lane expansion.
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What is behind this million-dollar investment that already has a start date and promises to generate countless jobs? The municipality of São Carlos is at the center of these changes.
Investment of R$ 300 Million and Job Creation
According to EcoNoroeste, the project will receive a total investment of R$ 300 million, with the start expected in the first half of 2025.
The construction will expand the highway by about 26 km of additional lanes, evenly divided between both directions of the Washington Luís Highway, between kilometers 227 and 240.
Moreover, service roads will be created, and improvements will be made to access points to the highway. It is anticipated that the construction will be completed by 2027, benefiting the city of São Carlos and the surrounding area with the creation of hundreds of direct and indirect jobs.
The Impact on Traffic and Road Safety
The Deputy Secretary of Transportation and Traffic in São Carlos, Sebastião Batista, commented on the importance of the expansion.
According to him, the stretch between Km 227 and Km 240 suffers from congestion, especially during peak hours, when the flow of vehicles, mainly trucks, slows down and increases the risk of accidents.
“With the construction of the third lane and the service roads, it will be possible to improve the flow of urban and highway traffic, reducing the risks of accidents,” he explained.

Additional Lanes and Service Roads: More Safety and Flow
The concessionaire’s proposal aims to construct 13 km of additional lanes in each direction of the highway, totaling 26 km of new tracks.
Approximately 3.5 km of service roads will also be created, allowing for the outflow of local traffic, removing smaller vehicles from the main highway.
According to Batista, this should significantly alleviate traffic, especially at the exits of Avenida Getúlio Vargas, which currently face daily congestion.
Additionally, a series of improvements will be implemented such as redesigned roundabouts and new devices to optimize traffic.
Benefits for the City and the Local Economy
The project will also bring benefits for the outflow of products and road safety in the region. In addition to improvements in vehicle flow, the studies include bike lanes on the service roads, drainage, lighting, signage, and even walkways to ensure greater safety for pedestrians.
The project has been developed with a 10-year horizon, aiming to meet the growth of traffic in the region. According to Batista, “the municipality actively participated in the creation of this project, contributing its vision of urban traffic so that the work meets local needs.”
Challenges and Necessary Adjustments on the Highway
For the project to advance, the São Carlos City Hall still needs to make adjustments to the plan, such as donating land and reallocating some areas for the construction of service roads and roundabouts. Despite these challenges, the expectations are positive.
The forecast is that the expansion of the highway will improve not only traffic in the region but also the quality of life for residents and workers who rely on the highway for daily commuting.
Work Will Incur No Costs for the Municipality
It is important to highlight that the entire investment of R$ 300 million will be carried out by the concessionaire EcoNoroeste, at no cost to the municipality.
According to the concessionaire, all infrastructure items, such as lighting, drainage, signage, and paving, are included in the budget, along with environmental studies, fauna studies, and the construction of walkways.
What Will Be the Future of the Washington Luís Highway?
With such a significant investment and a long-term project, it remains to be seen how traffic in the São Carlos region will transform after the completion of the work.
Will this intervention be enough to meet population growth and the increase in vehicle flow in the region? Will the work truly bring the promised benefits?

Rumo à infraestrutura dos Estados Unidos: 8 faixas de cada lado e ainda congestionado! Não aprenderam nada sobre trânsito…
Bem, parece que os EUA realmente aprenderam sobre trânsito! Agora, falta aprender a lidar com o crescimento populacional sem fazer obras!