THE RANGES OF PASSENGER FLOW OF RATIONAL USE OF CERTAIN CLASS BUSES OF CAPACITY ON URBAN ROUTES WITH VARYING LENGTHS
In the article rational areas of use of different bus capacity class are considered. For solving this problem it was setting up the task of finding the ranges of the passenger flow on maximum load section of the route, within rationale to use buses of a certain capacity. The research was based on the hypothesis that the ranges of rational use of different bus capacity depend on the route length. The verification of the set up hypothesis was carried out using an optimization model of the choice of optimal capacity buses. The model experiment was conducted by varying two variables: the length of the route and the passenger flow on maximum load section of the route. The length of the route was considered in the range of 3 to 20 km, and the interval of the passenger flow on maximum load section of the route was taken in the range of 100 to 5200 pass/hour. Other parameters were considered as constant values, based on their average values for bus routes. As a result of the research, it was established that the length of the route is a significant factor, which determines the rational areas of use of different buses capacity classes. As the length of the route increases, there is a change in the passenger flow ranges on maximum load section of the route of rational use of buses of small, middle and large capacity classes in the decrease aspect. At the same time, the range of use of buses of a especially large class of capacity is expanding. In general, for changes in the length of the route from 3 to 20 km, the ranges of rational use of buses capacity variation in the range: especially small - from 45 to 74 pass/hour; small class - from 75 to 599 pass/hour; middle class - from 249 to 1564 pass/hour; large class - from 692 to 2734 pass/hour; especially large class - from 1529 to 5400 pass/hour. The direction of further research is the dissemination of the results obtained to other types of route urban passenger transport in order to determine the rational areas of their use.
Keywords: public transit, optimal bus capacity, passenger flow on the maximum load section of the route, route length.
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