47.2. While driving in dense traffic, you notice a vehicle behind you moving at too short a distance. What should you do to ensure traffic safety?
UAПри русі в щільному потоці Ви помітили ззаду транспортний засіб, що рухається на занадто малій дистанції. Як слід вчинити, щоб забезпечити безпеку руху?
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This is an exam question about road safety in dense traffic, where safe speed and distance are critically important. The traffic rules emphasize that the driver must constantly control their area of responsibility in front of the vehicle, anticipate possible braking in a convoy, and avoid creating conditions for "chain" accidents. Such situations often occur on city highways and in traffic jams, which is why they are regularly tested in the theoretical exam on the Traffic Rules of Ukraine.
The question tests knowledge of the sections of the Traffic Rules of Ukraine regarding the choice of safe speed and maintaining a safe distance and interval (in particular, the requirements of points 12.1, 12.3, and 13.1, as well as the driver's duty to be attentive under point 2.3). The logic is simple: if someone is "tailgating" you from behind, you cannot control their actions, but you can create a buffer of space in front of you to have more time for smooth deceleration or stopping without colliding with the vehicle ahead. This is the correct driving tactic expected in answers to such exam questions.
Analysis of the options shows why the correct solution is related to smooth speed adjustment. Trying to "escape" by accelerating in the flow usually means reducing your own distance to the vehicle ahead, thus violating the principle of a safe distance and increasing the risk of a collision in case of sudden braking by the leader. Sudden short-term braking as a "warning" is dangerous because it provokes a rear-end collision, since the driver behind has already left themselves no space to react; this is not a reliable way of communication and creates additional danger. Therefore, the option "any action is allowed" is incorrect: the traffic rules require choosing a solution that actually reduces risks, not increases them.
The practical significance of this topic is that increasing the distance in front creates a "safety buffer": even if someone behind makes a mistake, you reduce the likelihood of the worst-case scenario, when a double collision occurs both in front and behind. In the theoretical exam, it is important to remember the key principle: in dense traffic, it is safer to act smoothly, without sharp maneuvers and braking, ensuring sufficient space to the vehicle moving ahead.
Clause 13.1
The driver, depending on the speed of movement, road conditions, cargo characteristics, and the condition of the vehicle, must maintain a safe distance to the vehicle ahead and a safe lateral interval.
Application explanation: if someone is "tailgating" from behind, the driver is still required to maintain (and, if necessary, increase) their own safe distance to the vehicle ahead in order to have enough time/space to brake without a collision.
Clause 12.1
When choosing a safe driving speed within the established limits, the driver must take into account the road conditions, as well as the characteristics 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.
Application explanation: in dense traffic, safe driving is achieved, in particular, by smoothly adjusting the speed (without sudden braking) to increase the gap in front.
Clause 12.3
If there is a danger to traffic or an obstacle that the driver can objectively detect, they must immediately take measures to reduce speed up to stopping the vehicle or safely maneuvering around the obstacle for other road users.
Application explanation: "tailgating" from behind increases the risk of an accident in case of any forced braking ahead; therefore, it is advisable to reduce speed in advance (preferably smoothly) to increase the distance to the vehicle ahead and have the opportunity to slow down/stop more safely.
Clause 2.3 (subclause b)
To ensure road safety, the driver is obliged to: be attentive, monitor the road situation, respond appropriately to its changes, monitor the correct placement and securing of the cargo, the technical condition of the vehicle, and not be distracted from driving while on the road.
Application explanation: upon noticing a dangerous situation (too little distance behind), the driver must respond adequately by choosing a driving tactic that reduces the risk of collision (in particular — by creating a greater gap in front).
That is, the correct answer is: "Adjust your speed by easing off the accelerator pedal to increase the distance to the vehicle ahead," considering that the Traffic Rules require the driver to maintain a safe speed and a safe distance to the vehicle ahead and to respond promptly to changes in the road situation, creating a margin for safe braking.
In dense traffic, the main risk when being "tailgated" from behind is that in the event of any sudden change in the situation, you may need to brake sharply. The Traffic Rules require the driver to choose a safe speed and always maintain a safe distance from the vehicle ahead, so as to be able to stop without a collision.
When someone is driving too close behind you, there is an instinctive urge to either "escape" by speeding up or, conversely, to brake sharply to force them to back off. Both options are dangerous. Increasing your speed in traffic often does not create real distance, but instead reduces your distance to the car in front. And sharp braking increases the likelihood of being hit from behind, because the driver behind has left themselves too little space to react.
The correct logic is this: you cannot control the actions of the driver behind you, but you can control your safety margin in front. If you smoothly reduce your speed (without sharp braking), the distance to the car ahead will increase. This creates a "buffer": if the vehicle in front suddenly brakes, you will have more time and space to slow down or stop without a collision.
Practical example: in traffic, the car in front suddenly slams on the brakes due to an obstacle. If you were driving too close, you are almost guaranteed not to react in time and will crash into it, and the driver behind, who was already keeping a short distance, will additionally hit you from behind. However, if you increased the distance to the car in front in advance, the chance of avoiding a front collision is much higher: even if a rear-end collision occurs, at least you will not provoke a "chain" accident due to your own failure to maintain distance.
Therefore, in dense traffic, the safest solution is not to make sudden maneuvers, but to gently adjust your speed to increase the distance in front, maintaining your speed within the flow of traffic.
Thus, the correct answer is "Adjust your speed by easing off the accelerator pedal to increase the distance to the vehicle ahead," as this allows you to fulfill the Traffic Rules requirement for a safe distance, create a margin for braking, and reduce the risk of colliding with the car in front in case of a sudden stop in traffic.