9.51. Under what conditions must daytime running lights be switched on during daylight hours on a motor vehicle, and if they are not provided in the vehicle's design, dipped beam headlights must be used instead?
UAЗа яких умов на механічному транспортному засобі у світлу пору доби мають бути ввімкнені денні ходові вогні, а в разі їх відсутності в конструкції транспортного засобу – ближнє світло фар?
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This exam question from the Traffic Rules of Ukraine concerns road safety through the visibility of a vehicle during daylight hours. The activated daytime running lights (or low beam headlights, if DRLs are not provided by the vehicle’s design) do not so much illuminate the road as make the car visible to other road users. Outside the city, speeds are higher and vehicles approach each other faster, so early detection of oncoming or passing vehicles directly reduces the risk of dangerous maneuvers.
The content checks the section of the traffic rules regarding the use of external lighting devices, specifically the requirements of paragraph 9.8 of the Traffic Rules of Ukraine. This particular rule is often included in the theoretical exam: the obligation to turn on DRLs during the day is linked not to the season, but to the place of driving. That is, the key condition is driving outside populated areas, which is important to remember when preparing for the tests.
When analyzing the answer options, mistakes are most often related to an incorrect “narrowing” of the rule. The option about highways covers only one type of road, whereas the requirement applies to all roads outside populated areas. The option with the period “from October 1 to May 1” refers to an outdated approach, which is confused with the current version. The statement “always while driving” is also incorrect, because this exam question refers specifically to daylight hours and driving conditions outside populated areas, not to a universal rule for any place and time.
Clause 9.8
While driving mechanical vehicles during daylight hours for the purpose of marking a moving vehicle, the low beam headlights must be turned on: b) on route vehicles moving in a lane marked by road sign 5.8, against the general flow of vehicles; c) on buses (minibuses) transporting organized groups of children; d) on heavy, oversized vehicles, agricultural machinery with a width exceeding 2.6 m, and vehicles transporting dangerous goods; e) on a vehicle that is towing.
On all mechanical vehicles outside populated areas, daytime running lights must be turned on, and if they are not provided in the vehicle's design — the low beam headlights must be turned on.
Explanation of application: this provision directly establishes the obligation to turn on daytime running lights during daylight hours when driving outside populated areas, and if they are not available — to turn on the low beam headlights.
Clause 1.10 (term "Daytime running lights")
Daytime running lights are external white lighting devices provided by the vehicle's design, installed at the front of the vehicle, and intended to improve the visibility of the vehicle while it is moving during daylight hours.
Explanation of application: the definition confirms that these lights are used specifically while driving and specifically during daylight hours.
Clause 1.10 (term "Mechanical vehicle")
Mechanical vehicle — a vehicle driven by an engine. This term applies to tractors, self-propelled machines and mechanisms, as well as trolleybuses and vehicles with an electric motor of more than 3 kW.
Explanation of application: clause 9.8 is addressed specifically to drivers of mechanical vehicles.
Clause 1.10 (term "Populated area")
Populated area — a built-up area, the entrances to and exits from which are marked by road signs 5.45, 5.46, 5.47, 5.48.
Explanation of application: for the answer, it is important to understand that "outside populated areas" means driving outside the territory marked by these signs.
That is, the correct answer is "While driving on roads outside populated areas," taking into account that according to the definition of the Traffic Rules, the requirement to turn on daytime running lights (or low beam headlights if they are absent) is directly established by clause 9.8 specifically for driving all mechanical vehicles outside populated areas during daylight hours.
Daytime running lights are needed to make the car more visible during the day. According to the definitions in the Traffic Rules, these are front white lighting devices specifically designed to improve the visibility of the vehicle while driving during daylight hours. That is, it is not about illuminating the road, but about making the car noticeable to other road users.
Paragraph 9.8 of the Traffic Rules establishes a direct requirement: while driving all motor vehicles during daylight hours outside populated areas, daytime running lights must be turned on. If the vehicle's design does not provide for them, low beam headlights are used instead. This rule applies specifically while driving and specifically outside populated areas.
The logic of this rule is simple: outside populated areas, speeds are usually higher, closing distances are greater, and it is harder to notice oncoming vehicles. Turned-on daytime running lights (or low beam headlights if DRLs are not available) help other drivers recognize the vehicle earlier and correctly assess its approach, especially during overtaking, when exiting from secondary roads, or at intersections outside the city.
It is important to understand that the question concerns the conditions during daylight hours and the general requirement for motor vehicles. Therefore, the correct answer is tied not to the season or weather, but to the location: outside populated areas.
Thus, the correct answer is "While driving on roads outside populated areas," since paragraph 9.8 of the Traffic Rules requires that during the day, while driving outside populated areas, daytime running lights must be turned on, and if they are absent, low beam headlights should be used for better visibility of the vehicle.