Resumen
It is generally established that the integration of collective transport in several counties brings benefits to the passenger as to the price of the service, quality and travel time. The aim of the article is, basing on the premise of the theory of economics and organization, to present the view that the integration process encounters barriers limiting its positive effects. Barriers are on the side of the characteristics of the public transport sector itself, the organization, the tariff-ticket system, and the approach of local government authorities (local politicians) and the role of intellectual capital. The article indicates the difficulties in measuring the effectiveness of the integration process.