**Reversible lanes** are those that can change direction according to traffic conditions. These lanes are marked with broken white lines on both sides. It is mandatory for all drivers traveling in a reversible lane to turn on their **low beam or dipped headlights**, both during the day and at night. This is because, when changing direction, it is crucial for vehicles to be visible to avoid accidents.


During the day, in addition to reversible lanes, lights must be turned on in situations of low natural light, such as dark days or when passing through tunnels. However, in reversible lanes, the regulation is clear: low beam lights must always be on, regardless of the time of day. This ensures greater safety by facilitating the visibility of vehicles traveling in opposite directions.