9.15. In which cases must the hazard warning lights be switched on in a vehicle?
UAУ яких випадках на транспортному засобі повинна бути ввімкнена аварійна сигналізація?
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This exam question from the Traffic Rules of Ukraine checks the understanding of when the hazard warning lights are used as a mandatory warning signal. According to the traffic rules, the "hazard lights" are not a universal "courtesy" on the road, but are applied in strictly defined situations to timely draw the attention of other drivers to increased danger, an obstacle, or an unusual change in the road situation.
In terms of content, this question belongs to section 9 "Warning Signals" and tests knowledge of item 9.9 (subitems g and d) of the Traffic Rules. The correct answer covers two cases: when a motor vehicle with the identification sign "Children" is transporting an organized group of children during boarding or disembarking, and also when a convoy stops and then the hazard warning lights must be turned on in all motor vehicles of the convoy. These rules often appear on the theoretical exam because they directly affect safety near the roadway and timely warning of approaching drivers.
The analysis of the answer options shows a typical trap: the hazard warning lights are switched on in the towed vehicle, but not in the towing one. Therefore, the option about the "towing vehicle" is incorrect, since the traffic rules provide for another mandatory signal for it (in particular, the use of dipped headlights). Instead, the options about transporting an organized group of children under the "Children" sign during boarding/disembarking and about stopping a convoy correspond to the requirements of the Traffic Rules, so the combination of these two points is correct in the context of this exam task.
Clause 9.9 (subclause g) — Section 9 "Warning Signals"
The hazard warning lights must be switched on: e) on a motor vehicle marked with the "Children" identification sign, which is transporting an organized group of children, during their boarding or alighting.
This subclause establishes the obligation to turn on the hazard lights specifically during the boarding/alighting of an organized group of children from a vehicle marked with the "Children" sign, as a warning to other road users.
Clause 9.9 (subclause d) — Section 9 "Warning Signals"
The hazard warning lights must be switched on: f) on all motor vehicles in a convoy during their stop on the road.
This subclause requires the hazard warning lights to be turned on for all motor vehicles moving in a convoy when they stop on the road, to timely warn other drivers about an obstacle or a dangerous change in the situation.
Therefore, the correct answer is "Answers 2 and 3.", given that according to the definition in the Traffic Rules, the hazard warning lights must be switched on during the boarding/alighting of children from a vehicle with the "Children" sign (clause 9.9 e) and during the stop on the road of all motor vehicles in a convoy (clause 9.9 f).
The hazard warning lights are not switched on “for convenience,” but serve as a clear warning signal for other road users. Therefore, the Rules specify concrete situations when their use is mandatory.
According to clause 9.9 (e) of the Traffic Rules, the hazard warning lights must be switched on in a motor vehicle marked with the identification sign “Children” when it is transporting an organized group of children during their boarding or disembarking. The logic is simple: at this moment, children appear near the roadway, traffic becomes less predictable, so other drivers need to be alerted in advance and prompted to reduce speed and exercise extra caution.
Also, according to clause 9.9 (f) of the Traffic Rules, the hazard warning lights must be switched on in all motor vehicles of a convoy when it stops on the road. This is done so that approaching drivers immediately understand: there are several vehicles stopped ahead on the roadway, and they need to choose a safe driving mode and maneuver in advance.
At the same time, it is important not to confuse these cases with towing: on a vehicle that is towing another, the hazard warning lights are not mandatory, since the rules require the use of dipped headlights for it. The hazard warning lights apply, in particular, to the vehicle being towed, but this is a different situation and a different role in towing.
Therefore, the correct answer is "Answers 2 and 3," since the hazard warning lights must be switched on during the boarding/disembarking of an organized group of children in a vehicle with the “Children” sign and on all vehicles in a convoy when it stops on the road.