Abstract
The modern constructions of tram tracks are very various. Presently at construction, repair and current maintenance of the tracks it is important to consider not only economic indicators (capital and operating costs) and technical features (speed, carrying capacity, travel time), but esthetic attractiveness. Lately much attention is given to the ecological factors (noise, vibration and environmental pollution). Especially this is important to consider in historical districts. This article is devoted to choosing of the most effective type of public passenger transport, methods of ground of usable area of tram and ways of their expansion, taking into account the stated factors. For justification of such decisions is proposed the mathematical model and calculation of the integral of the discounted cost of the three designs of tram ways, at different solving these problems. Also in this work identifies the main actions for increase of competitiveness and efficiency of investments into modernization of existing and construction of new tram lines, which allows to significantly expand the scope of its application.
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