9.57. In which case is the dipped beam not switched on on the vehicles of a convoy during daylight hours?
UAУ якому випадку на транспортних засобах колони не вмикається ближнє світло фар у світлу пору доби?
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This is an exam question from the Traffic Rules of Ukraine (PDR) concerning road safety and the correct use of external lighting devices to indicate a vehicle on the road. It is important for other drivers to immediately recognize an organized convoy as a single group, correctly assess its length, distance, and predict its maneuvers, which is why the traffic rules establish mandatory visibility signals for convoys even during daylight hours.
The question tests knowledge of the PDR section on warning signals and the use of lighting devices, in particular the requirement of clause 9.8 a) of the PDR of Ukraine: when mechanical vehicles are moving during daylight hours, their low beam headlights must be turned on while driving in a convoy. Therefore, there is no exception that allows the low beam to be turned off during the day in a convoy, and this is usually what is checked in the theoretical exam.
The analysis of the answer options comes down to the fact that escort by vehicles with flashing beacons does not cancel the obligation for each vehicle in the convoy to drive with its low beam headlights on. Similarly, the presence of daytime running lights is not a reason to waive the requirement for a convoy: in this case, the key is not "how to mark the vehicle in general," but to fulfill the special rule about driving in a convoy. In practice, this helps to avoid dangerous merging into the convoy, mistakes during overtaking and exiting from secondary roads, and also makes it easier to identify vehicles moving together.
Clause 9.8 a) of the Traffic Rules of Ukraine
When driving motor vehicles during daylight hours for the purpose of their identification, the dipped headlights must be turned on: a) when driving in a convoy.
That is, the correct answer is - "The dipped headlights must always be turned on for vehicles in a convoy," given that according to clause 9.8 a) of the Traffic Rules, when driving in a convoy during daylight hours, the dipped headlights must be turned on.
When vehicles are moving in an organized convoy, it is important for other road users to immediately understand that this is not a random flow, but a group moving together. That is why the Traffic Rules require additional marking of such vehicles while they are moving.
Clause 9.8(a) of the Traffic Rules of Ukraine states that to identify vehicles moving in a convoy, the dipped headlights must be used as a warning signal. This requirement is not tied to visibility conditions or time of day, meaning it also applies during daylight hours.
The logic of the rule is simple: dipped headlights help other drivers see that it is indeed a convoy ahead, correctly assess its length, and avoid mistakes with safe distance and maneuvers (for example, when overtaking or entering from a secondary road). Therefore, there are no exceptions for "when it is allowed not to turn on" the headlights for a convoy during daylight hours.
Additionally, a convoy may also be marked with identification elements, but these do not replace the requirement for dipped headlights: the main point for you on the exam is that while moving in a convoy, dipped headlights must be turned on for every vehicle.
Therefore, the correct answer is: "Dipped headlights are always turned on for vehicles in a convoy," since clause 9.8(a) of the Traffic Rules requires the use of dipped headlights as a warning signal to indicate convoy movement regardless of daylight hours.