Popyt na przewozy jako determinanta wielkości taboru obsługującego autobusowe linie komunikacyjne

The article presents main issues concerning the development of the services offered in the public transport fleet with the selection of a vehicles capacity to operate communication lines. Formulas have been presented for achieving this aim, and is an example of the calculations using one of them. Have also calculated the effects of organizational and economic changes resulting from the use of these formulas presents the types of vehicles that transport managers can make to support the communication lines.