At what speed should you drive past the tram rail switch?
Show the correct answer
Correct answer
B. At a safe speed.
Explanation
In the photo we see a tram frog (krzyżownica) in front of the tram - the place where tracks cross each other at a junction. The speed for driving over a tram frog should be safe - the answer is B.
At a frog the rails are interrupted by the grooves of other tracks, and the wheels pass over gaps, which at high speed can cause impacts, damage to the wheels and the tracks, and even a derailment. So the speed must allow you to keep control of the tram in these conditions. A sign shows the maximum speed, not the minimum speed (answer A). The speed of the tram you are passing (answer C) does not decide whether it is safe to drive over the frog.
Legal basis: Art. 19 para. 1 of the Road Traffic Act (Prawo o ruchu drogowym)
Topics:
Speed and distances
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