Szukana fraza: [Abstrakt = "Design of tram tracks in Polish cities is based on old regulations, with some new codes failing to include a specific character of tram traffic. New regulations are necessary, because from the time the old regulations were written, the rolling stock has changed significantly. Social, urban and environmental requirements have also changed, and the tram is now required to be competitive to car traffic. Using old codes in this new situation results at best in choosing non\-optimal solutions, at worst causing tram crashes. There is therefore a need for writing new detailed rules for designing tram tracks and for a verification of the legal system how it includes the specific character of tram traffic."]

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