57.4. Insufficient visibility is considered:
UAНедостатньою видимістю вважається:
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This exam question from the Traffic Rules of Ukraine concerns driving safety in conditions where the driver perceives the road situation worse due to weather phenomena or twilight. Such situations directly affect the choice of speed, distance, and overall driving tactics, which is why the definition is often included in the theoretical exam so that the driver relies not on “feelings” but on a clear criterion.
The question tests knowledge of the section of the traffic rules dealing with terms and definitions, specifically point 1.10 (the term "Insufficient visibility"). According to the Rules, insufficient visibility is defined specifically: it is when the road in the direction of travel is visible for less than 300 meters in twilight or in conditions of fog, rain, snowfall, and similar atmospheric phenomena. The key features here are two: the direction of travel and the 300 m limit, which is determined precisely by lighting/atmospheric conditions.
When comparing options, it is important not to confuse insufficient visibility with limited visibility. The wording “visibility less than 300 m” does not correspond to the term in point 1.10, because visibility is usually limited by infrastructure objects, terrain, or vehicles, not by atmospheric phenomena. The option where visibility is “limited by a road curve” also rather describes limited visibility (road geometry), whereas the correct definition is tied to reduced visibility due to twilight, fog, rain, snowfall, etc.—that is, exactly what a driver must take into account in real challenging driving conditions.
Clause 1.10 (term "Insufficient visibility")
Insufficient visibility — visibility of the road in the direction of travel of less than 300 m in twilight, fog, rain, snowfall, etc.
This exam question directly tests knowledge of the definition of the term "insufficient visibility" from the section of terms in the Traffic Rules: the key features are the direction of travel and a visibility distance of less than 300 m, caused by twilight or atmospheric phenomena (fog, rain, snowfall, etc.).
That is, the correct answer is "Visibility of the road in the direction of travel of less than 300 m in twilight, fog, rain, snowfall, etc.", given that according to the definition in the Traffic Rules, insufficient visibility is the visibility of the road in the direction of travel of less than 300 m under such conditions.
In the Traffic Rules of Ukraine, it is important to clearly distinguish when a driver can see the road well enough and when the conditions are already considered dangerous due to limited visibility. For this purpose, the section of terms in the Rules provides a definition of "insufficient visibility."
According to clause 1.10 of the Traffic Rules, insufficient visibility is not related to the time of day as such, but to the actual distance at which the driver can see the road in the direction of travel. The criterion is unambiguous: if you can see less than 300 meters ahead, this is already considered insufficient visibility.
Such conditions usually occur at dusk or under the influence of atmospheric phenomena: fog, rain, snowfall, and similar situations. For example, in fog or during heavy rain, the outlines of the road and objects ahead become "blurred," and even with headlights on, the driver is physically unable to perceive the road situation at a long distance. That is why the Rules tie the concept to the 300-meter limit, and not to the subjective feeling of "poor visibility."
Therefore, the correct answer is "Visibility of the road in the direction of travel is less than 300 m in dusk, fog, rain, snowfall, etc.," because according to clause 1.10 of the Traffic Rules, insufficient visibility is defined specifically as a reduction in visibility of the road in the direction of travel to less than 300 meters due to dusk or atmospheric phenomena.