In this contribution, results on data mining the data base of Toll Collect, the company operating the German toll system is presented. When using German motorways, a truck driver can either use the automatic system, or book his journey manually before entering the toll roads. Roughly, the automatic system consists of a central part, the computer centre and the OBUs as mobile components. About 540000 trucks are equipped with this innovative device which determines its position by using Satellite technique (GNSS), and autonomously calculates the toll to be paid dependent on the distance traveled. The toll information is sent via mobile communication to the computer center of Toll Collect, and the logistics enterprise will be billed for it. According to the German Data Protection Act (BDSG), Toll Collect stores the journey data for a certain time, after that time data will be deleted. One measure for the optimization of the operational procedures includes the statistics of the time an OBU spends on the German motorways, or the charged roads, respectively. This is important not only for operational questions. Furthermore it is a valuable basis to validate modern research on transport and logistics, not only for German roads. In this paper results only on the temporal behaviour, or activity, of the OBUs monitored in the Toll Collect data base are presented. In a first step the data are anonymised in order to obey the data protection rules. In a second step data pertaining to the OBUs are collected. Thirdly, journeys with and without breaks according to certain rules, specified below were identified. Based on this classification statistics on the start times and the duration of the OBU journeys with distinction of the weekdays were gathered. The statistics of the breaks between two subsequent journeys yields a clustering into two categories with clearly different activity. The direct impact on the operational conditions of Toll Collect lies in the optimization of the communication processes of the computer centre with the OBUs: the results are used as input for a simulation of the intelligent update process developed for the Toll Collect system
Statistics of the truck activity on German motorways
2007
5 Seiten, 5 Bilder, 4 Quellen
Conference paper
Storage medium
English
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