10.29. How should a driver who is turning left at an intersection act if the vehicle ahead of him has started to make a U-turn?
UAЯк повинен вчинити водій, що повертає ліворуч на перехресті, якщо автомобіль, який рухається попереду нього, почав виконувати розворот?
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This is an exam question from the Traffic Rules of Ukraine about the safe execution of maneuvers at an intersection when the paths of two cars may cross. In real traffic, the situation is complicated by the fact that the left turn signal is used both for turning left and for making a U-turn, so the haste of the second driver in line often leads to conflict and accidents. That is why the traffic rules require not to try to "rush through," but to act in a way that does not create obstacles for another participant.
The question tests knowledge of the section of the Traffic Rules on maneuvering, in particular the requirements of point 10.4. According to this rule, a driver making a left turn must yield to the vehicle ahead if it has started a U-turn. That is, you should refrain from starting or continuing your maneuver so that the vehicle in front can safely complete its U-turn without having to abruptly change speed or direction because of your actions (this corresponds to the meaning of "yield" in the Traffic Rules of Ukraine).
The analysis of the options in this theoretical exam is simple: a sound signal does not grant priority and does not replace the obligation to yield; its use is only possible as an additional means to prevent danger, but not as a "solution" to the conflict. Instead, the correct action is to yield to the vehicle ahead that is making a U-turn, since this is directly stipulated by point 10.4 and minimizes the risk of crossing paths at the intersection.
Clause 10.4
Before turning right or left, including in the direction of the main road, or making a U-turn, the driver is required to take the appropriate far-side position on the carriageway in advance, intended for movement in that direction, except in cases when the turn is made upon entering an intersection with a roundabout, where the direction of movement is determined by road signs or road markings, or movement is possible only in one direction, established by the configuration of the carriageway, road signs, or markings. A driver making a left turn or U-turn outside an intersection from the appropriate far-side position on the carriageway in that direction must yield to oncoming vehicles, and if performing these maneuvers not from the far-left position on the carriageway — also to vehicles moving in the same direction. A driver making a left turn must yield to vehicles moving ahead in the same direction that are making a U-turn. If there is a tram track in the middle of the carriageway, a non-rail vehicle driver making a left turn or U-turn outside an intersection must yield to the tram.
Brief application: if a vehicle ahead in the same direction has started a U-turn (the "left" signal may indicate either a turn or a U-turn), the driver who is also turning left is required to yield to it, so as not to create an obstacle or cause a collision during the maneuver.
Clause 1.10 (the term "Yield (do not create obstacles)")
Yield (do not create obstacles) — a requirement for a road user not to continue or resume movement, or perform any maneuvers, if this may force other road users who have the right of way to change their direction or speed.
That is, the correct answer is "Yield to him," considering that according to the definition in the Traffic Rules, a driver making a left turn is required to yield to a vehicle ahead in the same direction that is making a U-turn, i.e., not to create obstacles for it and not to force it to change speed or direction.
Imagine the situation: you approach an intersection and are preparing to turn left. There is a car in front of you with its left turn signal on, but instead of turning, the driver begins to make a U-turn. At this moment, your maneuver trajectories may cross, and if you attempt to start your turn at the same time, there is a risk of collision.
Clause 10.4 of the Traffic Rules of Ukraine directly establishes the rule for such a situation: a driver who is turning left must yield to the vehicle ahead moving in the same direction that is making a U-turn. The logic is simple: the car in front has already started the maneuver, it needs space to complete the U-turn, and your haste creates a danger.
It is important to remember that a left turn signal does not always unambiguously mean a left turn, as the same signal is used to indicate a U-turn. Therefore, when you see a car ahead with its left signal on and it begins to change its trajectory as if making a U-turn, the correct and safe action is not to "squeeze" into the turn, but to wait until it completes the maneuver.
Thus, the correct answer is "Yield to it," because according to clause 10.4 of the Traffic Rules, a driver turning left is required to let the vehicle ahead making a U-turn pass, in order to avoid crossing trajectories and an accident.