Over 1.000 passenger and freight trains run over the rails of the national railway network every day. In order to assure that the wheels of the locomotives and wagons can keep on spinning, the rails have to be regularly serviced or replaced. Beside the rails, numerous other elements contribute to the fact that the rolling…

At first sight it seems rather obvious that the power supply of the rolling stock goes far beyond a single wire. But which elements are the catenary infrastructures composed of? These illustrations will provide answers to this question.#simplyexplained