In this theisis paper the effectivness of transportating people is analyzed on inter–county bus line schedule: – Zagreb, Zagreb –, Split – Dubrovnik, Dubrovnik – Zagreb. The passengers are described as the fuction of the transportational supstrat, as well as the techological elements of the inter – county line subjects. The date was analized in order to determinate transportation demand on the subjects inter–county bus lines. Three detailed analized companies are presented (accomplished transportation impacts, indicators and timelapse, regional and capaticance impacts). The characteristics of the bus terminals are described, presenting the start and finish positions of the subject bus lines. The basic technical characteristics of the usage of the transportation assets are also described in this theisis. At the end of this paper a comparison analysist has been done of the transportation proceses from which the results of the successful analzed bus lines have been reached, and by a few criterias. From the compared analylisist the conclusion has been written about the advantages and disadvantages of the analyed bus lines.