Search for: [Abstract = "Correct evaluation of transport investments financed under different operational programmes requires comprehensive analysis of the influence of those investments on transport accessibility changes. Accessibility changes concern multiple transport modes simultaneously \(among others, road, railway, air and inland water transports\). From this viewpoint, the factor of key importance is using a synthetic accessibility indicator in a multimodal approach as well as modal indicators, including Air Accessibility Indicator \(AAI\). In this paper air accessibility to airports was assumed to result on the one hand from the time of travel to all airports in the country, and on the other hand to depend on the airport capacity. All major investments carried out at airports and aimed at increasing the capacity of terminals were taken into consideration. Attractiveness of an airport was assumed to be analogous to its capacity. We use potential accessibility indicator. On each spatial level of the analysis below the national one, i.e. from the commune level through the voivodeship level up to the macro\-region level, accessibility analysis is prepared based on all routes between an arbitrary pair of communes in Poland \(matrix layout\). We focus on the calculation of accessibility indicators at the municipal level. Poland is slowly entering the development phase where some regions become saturated with modern transport infrastructure \(road and air infrastructure in particular\). By percentage, Eastern Poland benefited the most from air investments \(over threefold AAI indicator increase\), including in particular the Lublin and Podlaskie Voivodeships, primarily as a result of opening new airports in Lublin and Modlin.In conclusion, the conducted research confirms the thesis that improvement of accessibility in air transport may be achieved both by erecting or modernising airport infrastructure \(new structures, capacity increase\) and by developing land transport."]

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