Red light at dawn: can I move forward or will I get a fine? See what the CTB says

Many drivers believe that the traffic light loses its validity during the night or that with the reduced flow and the empty road, crossing the intersection is allowed. However, Brazilian traffic legislation is clear and the rule does not change according to the time.

It is common to observe, on roads with little movement during the night, drivers reducing speed, checking the sides and continuing their journey without waiting for the green light. This is because many people believe that the traffic light loses its validity during the night or that crossing the intersection is allowed when the road is empty.

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Although many adopt this behavior for reasons of personal safety, the practice is still considered a very serious infraction under Brazilian law. Below you can see how the general rule works, what the law says, what are the few exceptions allowed and how night inspection operates.

What does the Brazilian Traffic Code (CTB) say about running the red light at dawn?

According to Article 208 of the Brazilian Traffic Code (CTB), running the red traffic light or the mandatory stop light is a very serious infraction. The penalty includes:

• Traffic fine in the amount of R$ 293.47;
• 7 points registered in the National Driver’s License (CNH).

The text of the CTB does not establish any tolerance, flexibility or exception linked to the time of day, the volume of traffic or the fact that the road is apparently empty. The only exception provided for directly in federal law occurs where there is ostensive signage allowing free right (free right), duly indicated by a sign on site.

Are there exceptions to running a red light at night?

In some municipalities in the country, the traffic authority responsible for the road regulates specific intersections to operate with different rules during the night. In these places, signs indicate that the driver can treat the red light as a mandatory stop, and should stop, check the safety of the intersection and proceed only when there is no risk. In the absence of express and visible signs, the general national rule strictly prevails: the red light requires the vehicle to come to a complete stop.

In addition to financial losses and points in the wallet, running a red light at night brings serious risks of severe accidents. Low traffic often creates a false sense of security, leading drivers to travel at higher speeds.

Added to this is the reduced visibility and the presence of other road users, such as motorcyclists, cyclists, pedestrians or app drivers, who may be crossing the stretch at the time of the improper crossing.

Feeling of insecurity: what to do?

In places with a history of risks and robberies at dawn, the recommendation is that citizens call the municipal traffic agency to request:

• Technical feasibility study: request for change in the operation of the traffic lights in the region (such as the change to the yellow flashing alert mode at night);
• Specific signage: installation of signs authorizing safe crossing after mandatory stop.

While there is no specific regulation in place, the driver should look for alternatives for busier and brighter routes, maintaining respect for signage to ensure everyone’s safety.

In summary:

• As a general rule: the red light must be respected 24 hours a day throughout Brazil.
• Penalty: advancing the traffic light is a very serious infraction (7 points on the CNH and a fine in the amount of R$ 293.47).
• Video surveillance: traffic cameras cannot be used for retroactive analysis of recordings; The fine requires a real-time traffic agent.
• Exceptions: The release is only valid where there is specific local signage indicating the permission.