Speed limits for cars are changed on highways in the interior of São Paulo
New traffic rules will impact drivers traveling along the Washington Luís Highway (SP-310), in the Araraquara region (SP). From July 1st, the maximum speed allowed for passenger vehicles will be reduced from 110 km/h to 90 km/h.
This change specifically covers the urban section of the highway, extending between kilometers 267 and 282, in both directions. For trucks, buses and other categories of heavy vehicles, the limit of 90 km/h will be maintained without changes.
Ecovias Noroeste Paulista, the concessionaire responsible for the road, estimates that approximately 30 thousand cars travel through this segment daily. The company is already in the process of adjusting vertical and horizontal signage to inform drivers about the new parameters.
New speed reduction on Antônio Machado Sant’Anna Highway (SP-255)
Still in the city of Araraquara, the Antônio Machado Sant’Anna Highway (SP-255) has already implemented a speed reduction for light vehicles. The previous limit of 100 km/h was increased to 90 km/h in its urban perimeter, between kilometers 77 and 83.
In the case of trucks and other cargo vehicles, the maximum speed remains set at 80 km/h. The Arteris ViaPaulista concessionaire confirmed that all signage relating to this change has already been duly updated and is in effect.
Measures aim to increase safety and reduce accidents on the roads
As disclosed by the concessionaires responsible for highways, the recent changes in speed limits have the central purpose of increasing road safety and reducing the occurrence of accidents. The affected stretches are characterized by an intense confluence between urban and road flow.
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The implementation of these measures is the result of in-depth technical studies. The analyzes were closely monitored by the Transport Agency of the State of São Paulo (Artesp) and obtained approval from the Department of Highways (DER-SP).
Data from Arteris ViaPaulista reveal that, in the year 2025 alone, the sections analyzed recorded 36 accidents, resulting in 29 injuries and three deaths. Technical research also indicated that rear-end collisions caused the most casualties, highlighting the urgency of interventions.
The technical analysis showed that, in some points of the evaluated locations, passenger vehicles reached speeds of up to 113 km/h, exceeding previous limits. For concessionaires, these findings reinforced the importance of adapting speed limits to urban nature and the high volume of traffic present on highways.
