Clause 34.1.19 — 34 "Road markings", 1 "Horizontal markings", marking 1.19

Marking 1.19 warns of an approaching narrowing of the carriageway (a section where the number of traffic lanes in this direction is reduced) or of marking line 1.1 (narrow solid line) or 1.11, which separates traffic flows of opposite directions. In the first case, it may be used in combination with signs 1.5.1, 1.5.2, 1.5.3 — "Road narrowing".

That is, the correct answer is "Warns of an approaching narrowing of the carriageway," given that according to the definition in the Traffic Rules, marking 1.19 directly establishes a warning about an approaching narrowing of the carriageway (a reduction in the number of traffic lanes in this direction).

When you see horizontal markings in the form of directional arrows on a traffic lane, this is not a “hint about priority,” but a warning signal about a change in traffic conditions ahead. It informs the driver in advance that the current lane arrangement will soon change, and you need to prepare to change lanes.

According to Section 34 of the Traffic Rules of Ukraine, marking 1.19 is used to warn of an approaching narrowing of the carriageway, that is, a section where there will be fewer lanes in this direction. A typical situation: the road had two lanes in one direction, but ahead one lane ends (due to a safety island, repairs, narrowing, the end of an acceleration lane, etc.). The arrows indicate which direction you need to move in order to continue driving, because the lane with the marking will soon end.

It is important to understand that this marking does not grant any advantages when changing lanes. If you change lanes because your lane is ending, you are still required to yield to vehicles already moving in the adjacent lane into which you intend to merge. In other words, the arrows only warn and guide, but do not “allow” you to enter safely without considering other road users.

Therefore, the correct answer is "Warns of an approaching narrowing of the carriageway," since marking 1.19 according to the Traffic Rules notifies in advance that the number of lanes in this direction will decrease and the driver needs to prepare to change lanes in the direction indicated by the arrows.