This paper presents research on synchronization of transfers and its impact on servicereliability from a passenger perspective. Passenger reliability is analyzed for the case of amulti-operator transfer node. A method is developed to calculate the passenger centeredreliability indicators: additional travel time and reliability buffer time, using scheduledand actual vehicle arrival and departure times as an input. Five major factors areidentified as affecting reliability at a particular transfer: scheduled transfer time,distributions of actual arrivals of the first and second line, headways, transfer walkingtime, and transfer demand. It is demonstrated in a real network case that changing aspecific transfer has effects on other transfers from the transfer point. This method can beapplied in a cost benefit analysis to identify the benefits and costs of reliability fordifferent groups of passengers, thereby supporting proper decision making.
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