20.20. What must drivers of vehicles be guided by when crossing any railway level crossings?
UAЧим повинні керуватися водії транспортних засобів під час проїзду будь-яких залізничних переїздів?
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This exam question from the Traffic Rules of Ukraine tests basic skills for safe behavior at railway crossings, where the cost of a mistake is especially high. During the theoretical exam, it is important to understand that at a crossing, the driver cannot rely on just one “convenient” signal, since different traffic control means may operate in a certain sequence, and the train has unconditional priority and cannot stop instantly.
In essence, this question belongs to the section of the Traffic Rules regarding movement across railway crossings and directly refers to clause 20.2. The regulation establishes a complete list of what the driver is obliged to follow when approaching a crossing and starting to move after stopping: the instructions and signals of the crossing attendant, the position of the barrier, light and sound signals, road signs and road markings, as well as the obligation to additionally make sure that a train is not approaching. Therefore, options that offer only one of these guidelines are incomplete: they describe only part of the requirements of the Traffic Rules, whereas the rules require taking everything into account simultaneously.
Practically, this means that an open barrier by itself does not guarantee permission to cross if prohibitive light signals are already being given or the sound signal is operating; conversely, the crossing attendant may regulate traffic with their signals, and these must be obeyed. Road signs and markings indicate the order of approach and the place to stop, and the final check for the absence of a train remains mandatory even at uncontrolled or poorly visible crossings. This logic corresponds to the requirements of the Traffic Rules and helps to correctly answer similar tasks in the theoretical exam.
Clause 20.2
"When approaching a railway crossing, as well as when starting to move after stopping in front of it, the driver must be guided by the instructions and signals of the crossing attendant, the position of the barrier, light and sound signals, road signs and road markings, and must also make sure that no train (locomotive, railcar) is approaching."
This clause directly establishes the complete list of control and information means that the driver must be guided by when passing any railway crossing: instructions of the attendant, position of the barrier, light and sound signals, road signs and markings, as well as the obligation to additionally make sure that there is no approaching train.
That is, the correct answer is "All of the above.", given that according to the definition in the Traffic Rules, clause 20.2 simultaneously obliges the driver to be guided by all the listed means of regulation and to make sure there is no approaching train.
When passing any railway crossing, the driver must act according to a clear rule: assess the situation not by a single signal, but by all means that organize traffic at the crossing. This is due to increased danger: even a brief mistake in decision-making can lead to a collision with a train.
According to clause 20.2 of the Traffic Rules, when approaching a crossing and starting to move after stopping in front of it, the driver must be guided by several sources of information at once. First and foremost, these are the instructions of the crossing attendant, if present and giving signals. Next, the position of the barrier, the signals of the light and sound alarms, as well as road signs and markings that determine the order of movement and the stopping place are taken into account.
Practically, this means the following: even if the barrier has not yet lowered, but the prohibitory light signals are already on or the alarm is sounding, entry onto the crossing is prohibited, and the driver must stop. And if there is an attendant at the crossing and their signal contradicts, for example, your expectation regarding priority, you must follow their instructions as the person regulating traffic at the crossing.
Separately, the driver is obliged to make sure that a train (locomotive, railcar) is not approaching the crossing. That is, even in the absence of obvious prohibitory signals, it is necessary to check the safety of passage, because the crossing may be unregulated or have limited visibility.
Therefore, the correct answer is "All of the above.", since when passing a railway crossing, according to clause 20.2 of the Traffic Rules, the driver must simultaneously take into account the signals of the attendant, the position of the barrier, light and sound alarms, signs and markings, and must be sure that there is no train approaching.