The paper is focused on interchange nodes between trains and regional buses. Sometimes it is necessary to use railway station and bus terminal located at different positions in the municipality. The issue is how to improve operational stability and reliability for passengers walking between these stops. State-of-art effort by organizing public transport is to minimize transfer time. This is contrast with possible delays of individual public transport services. Operational reliability of interchanges may be affected in a negative way. Need to walk between stations can amplify passengers’ discomfort. Simulation model designed as result of this research will provide possibility to check time schedules of both public transport modes and to indicate connections (pairs of trains and buses) with not so good operational stability (high risk to lose connected service). The benefit of the model is the fact that it combines microscopic with macroscopic into mesoscopic point of view. The case study is focused on interchange node of Přelouč located in the city agglomeration of Hradec Králové and Pardubice in the Czech Republic. There are 2 bus terminals in this municipality, the first in front of the railway station, the second in distance of ca. 600 m from the railway station. This allows assessment of impact of this distance on operational reliability. The model allows transport planners to identify which interchanges are unstable. Possible modifications of time schedule can be considered by this model as well to protect worsening of stability at different interchanges.Keywords: Interchanges, public transport, reliability, simulation, time schedule
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