What could be the reason for excessive skidding?
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Correct answer
A. Leaves lying on the rails.
Explanation
In the photo we are driving a tram on tracks in the roadway on a sunny autumn day. Excessive slipping may be caused by leaves lying on the rails - the answer is A.
Leaves crushed by the wheels form a thin, greasy layer on the rails, which is very slippery when damp. The grip of the wheels on the rails drops noticeably, so the wheels easily spin when moving off and lock when braking. Water on the tram tracks (answer B) and snow (answer C) also make driving harder, but it is leaves that are considered the cause of particularly dangerous, excessive slipping. In autumn you drive more slowly and use the sander.
Legal basis: Art. 19 para. 1 of the Road Traffic Act (Prawo o ruchu drogowym)
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