Assessment of operational reliability of the motorway toll collection system

The article presents a new concept of operational reliability in the context of a motorway toll collection system, along with a methodology for assessing the operational reliability of the analyzed system. The method enables the rationalization of the operation of the motorway toll collection system by defining an operational strategy for this system. This strategy is intended to enable compliance with system reliability and availability requirements and to ensure an appropriate level of service quality for users of the motorway toll collection system.INTRODUCTION
Analyzing the current state of the toll collection system in Poland against the background of other European Union countries, it can be observed that there are long-term development possibilities for this system that necessitate the operation of a manual toll collection system. Adapting this system to the EU standard will be possible no earlier than July 1, 2011, and will consist of building a National Toll Collection System, which in the long term of operation will be a mixed system, using two types of systems: an electronic toll collection system and a manual toll collection system [1], [2].
The problem of rational implementation of the operation process of motorway toll collection systems is a matter of high importance, especially in the perspective of ensuring the safety and continuity of transport services on Polish roads. The toll collection process should proceed efficiently, ensure the continuity of transport services, and provide an appropriate quality of service for the user of the toll road.
Motorway toll collection systems operate in diverse operational conditions, and their correct functioning depends not only on the reliability of individual elements forming the system but also on the operational strategies adopted for implementation. These systems are technical objects in which downtime associated with a failure causes large losses both from the point of view of the manager and the user of the toll road. System downtime generates traffic congestion, increasing travel time costs along with the social costs of environmental pollution [3]. (…)

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