Article 53 Reduction of speed
1. Except in the case of imminent danger, every driver, in order to be able to reduce the speed of their vehicle considerably, must make sure that they can do so without risk to other drivers and will be obliged to give a suitable warning in the manner provided in article 109, without having to do it abruptly, so that it does not produce a risk of collision with the vehicles that drive behind theirs.
2. Infractions will be considered as serious.
This is the most common complaint dealt with by the police, often about drivers who are driving and when they see a radar they step on the brake abruptly, sometimes endangering the vehicles driving behind. This type of braking is forbidden, with or without traffic. Speed should always be progressively reduced.