43.9. At the moment of turning at an intersection, you realize that there is sand or gravel under the wheels of your motorcycle. Your actions:
UAУ момент повороту на перехресті ви розумієте, що під колесами мотоцикла знаходиться пісок або гравій. Ваші дії:
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This is an exam question from the Traffic Rules of Ukraine about motorcycle safety while maneuvering at an intersection and about how a driver should act when there is a sudden change in road traction. Loose surfaces such as sand or gravel in a turn sharply reduce the tire's contact with the asphalt, so any sudden actions can provoke wheel slip, loss of balance, and a fall. That is why such situations are often included in the theoretical exam: they test not just a 'mechanical' knowledge of traffic rules, but an understanding of risks and the correct choice of tactics.
The question tests the section of the Traffic Rules related to choosing a safe speed and the driver's actions when danger arises, as well as the general requirement not to endanger other road users. The logic of the correct solution is as follows: on a loose surface while leaning, the tire has very little traction reserve, and adding braking takes away this reserve from steering, so it is better not to use the brakes while passing the problematic section. The option of driving into the oncoming lane is dangerous and contradicts the principle of safe maneuvering, as it creates a risk of a head-on collision; trying to 'add' more lean only makes the situation worse, since on sand/gravel the motorcycle is more likely to slide; and the advice to brake 'carefully' sounds attractive, but in the context of turning on an unstable surface, even light braking can cause the wheel to slip, especially the front one.
The practical conclusion for preparing for the theoretical exam and real riding is simple: speed should be chosen in advance, before entering the turn, and in the turn itself on sand or gravel, steering should remain smooth, no sharp movements should be made, and you should try to gently reduce the lean to pass the dangerous section as stably as possible. This understanding is directly related to the requirements of the Traffic Rules of Ukraine regarding constant vehicle control and safe behavior at intersections.
Clause 12.1
When choosing a safe driving speed within the established limits, the driver must take into account the road situation, the specifics of the cargo being transported, and the condition of the vehicle, in order to be able to constantly control its movement and drive it safely.
Sand or gravel under the wheels in a turn sharply reduces road grip, so any sudden actions (including braking) can lead to loss of control. This question checks the understanding of the traffic rules requirement to maintain constant control and safe driving, taking into account the road surface condition.
Clause 12.3
If a traffic hazard or obstacle arises that the driver can objectively detect, he must immediately take measures to reduce speed up to stopping the vehicle or safely maneuvering around the obstacle for other road users.
The content of the question leads to the fact that "measures to reduce speed" must be safe in the specific conditions. On a loose surface in a turn, sudden/active braking can create even greater danger (skidding, falling), so the correct tactic is not to brake (or to avoid using the brakes at this moment), maintaining control.
Clause 10.1
Before starting to move, changing lanes, or making any change in direction, the driver must make sure that it will be safe and will not create obstacles or danger for other road users.
Turning at an intersection is a change of direction. Detecting sand/gravel at the moment of turning means a change in the road situation, and the driver must act so as not to create danger — in particular, not to provoke loss of control by braking on an unstable surface.
Clause 1.5
The actions or inaction of road users and other persons must not create danger or obstacles to traffic, threaten the life or health of citizens, or cause material damage.
Applying the brakes on sand/gravel while turning may cause the motorcycle to fall and create danger for other road users, which contradicts the general requirement of clause 1.5.
Therefore, the correct answer is "Do not use the brakes," given that according to the definition of the Traffic Rules, the driver must choose such a method of control (speed and actions) that ensures constant control of the vehicle and does not create danger, and braking on a loose surface in a turn can lead to loss of control.
When turning at an intersection, a motorcycle stays on its trajectory thanks to the grip of the tires on the surface. If you suddenly feel sand or gravel under the wheels, it means that grip has sharply decreased, and any abrupt action can immediately lead to a loss of stability.
The Traffic Rules require the driver to operate the vehicle taking into account the road situation and the condition of the surface, and not to perform maneuvers that create danger. On loose surfaces, braking while leaning in a turn is precisely such a dangerous action: the wheel can easily start to skid, and if the front wheel locks, the motorcycle almost instantly loses controllability.
Imagine you are already entering a turn and the motorcycle is leaned over. If you press the brake at this moment, the tire must simultaneously hold the trajectory and slow down the movement. On sand or gravel, the margin of grip is very small, so even slight braking can cause the wheel to skid. The result is a typical situation of falling or being thrown off the trajectory right at the intersection, where there may be other vehicles and pedestrians.
The correct tactic in such a situation is to maintain control: do not make any sudden steering movements, if possible reduce the lean (carefully "straighten" the motorcycle), and pass the problematic section without braking. If the speed was chosen in advance according to the driving conditions, there will be no need for emergency braking in the turn.
Therefore, the correct answer is "Do not use the brakes," because on sand or gravel during a turn, braking sharply increases the risk of wheel skidding and loss of control of the motorcycle.