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Changes in radar rules advance in the Chamber and aim for transparency, visibility, and stricter technical criteria for speed enforcement nationwide, with a direct impact on how drivers are monitored and informed.
The Committee on Roads and Transportation of the Chamber of Deputies approved Bill 4751/24, which establishes new guidelines for the installation and use of speed cameras on Brazilian public roads, prioritizing equipment visibility, information transparency, and stricter technical criteria.
With the proposed amendment to the Brazilian Traffic Code, the installation of fixed speed cameras in hidden ways, such as behind trees, poles, canopies, or pedestrian bridges, becomes prohibited, while portable equipment used by agents will also not be allowed to remain hidden from drivers during enforcement.
Furthermore, the text stipulates that fixed speed cameras installed on roads with two or more lanes in the same direction must feature an electronic panel capable of displaying the speed recorded at the exact moment the vehicle passes, enhancing the driver’s immediate awareness of their driving.
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Rules for speed camera installation
According to the approved proposal, the installation of any speed camera will depend on a prior technical study that proves the necessity of enforcement at that specific point, linking the use of the equipment to objective criteria related to road safety and accident history.
At the same time, traffic authorities must make an updated list of operational speed cameras available online, informing not only the exact location of the equipment but also the date of the last verification carried out by Inmetro, which expands public control over enforcement.
Another relevant point involves defining a minimum distance between enforcement devices, a measure that seeks to prevent excessive concentration of equipment in the same stretch and ensure greater predictability for the driver during travel.
In urban areas, the mandatory interval must be 500 meters, while on highways, the minimum distance required between equipment will be 2 kilometers, as established by the text approved by the thematic committee.
According to the rapporteur of the proposal, Congresswoman Rosana Valle (PL-SP), the initiative seeks to enhance the legal certainty for drivers and reinforce the educational nature of traffic enforcement, reducing interpretations about possible abuses in the application of fines.
Still according to the congresswoman, the measure aims to curb practices associated with the so-called “fine industry” by requiring clear technical criteria, greater transparency in equipment installation, and public access to enforcement information.
Project adjustments and impact for municipalities
During the analysis, Rosana Valle presented a substitute bill to the original text with the aim of adapting the proposal to the financial reality of municipalities and incorporating rules already provided for in National Traffic Council regulations, avoiding overlapping requirements.
Initially, the project stipulated the mandatory use of an electronic panel on all fixed speed cameras, in addition to the installation of an intermittent light as an additional form of signaling, which could generate high costs for local administrations with lower investment capacity.
After the changes made in the opinion, the requirement for an intermittent light was removed, while the use of the electronic panel was restricted to roads with two or more lanes in the same direction, reducing the financial impact without eliminating the goal of increasing transparency.
In the rapporteur’s assessment, mandating the installation of these devices at all points could significantly increase costs for smaller cities and compromise the feasibility of enforcement in areas where there is a proven need for speed control.
Furthermore, the text explicitly included the mandatory disclosure of technical studies online, expanding public access to the justifications underpinning the installation of speed cameras in each monitored location.
Bill’s progress in the Chamber
Regarding its processing, the proposal proceeds on a conclusive basis and will still be analyzed by the Constitution and Justice and Citizenship Committee, a stage responsible for evaluating the constitutionality and legal adequacy of the text before advancing in the legislative process.
For the new rules to effectively come into force, the project still needs to be approved by both the Chamber of Deputies and the Federal Senate, with the currently applied norms in the country remaining valid until the completion of this process.
Even with approval in the thematic committee, the measure does not produce immediate effects, as it represents only one phase of the legislative process necessary to transform the project into a valid law throughout the national territory.
Should it advance through the next stages without substantial changes, the text could consolidate a new standard for electronic surveillance in Brazil, based on greater transparency, predictability, and alignment with road safety principles.
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