Plausibilization of e-ticket data collected at system boundaries

This variant of the plausibility check is intended for data from public transport systems whose access to the stops has an access control ("gate"). The passenger checks in at the start stop and checks out when leaving the stop. There may be a walk link between the access control and the passenger boarding or alighting, which the passenger must cover. This time is taken into account when evaluating the timestamps of the passenger data.

This variant thus provides little information about the passenger journey. In particular, the data sets only ever consist of one passenger data item. The following data is used in the procedure:

• the From-stop number of the first path leg
• the To-stop number of the last path leg
• the input stop number, input stop day, or input stop date and input stop time

All other information, such as transfer locations or existing line information, is ignored.

The plausibility check is always done by a shortest path search in the network between the From-stop of the path leg and the To-stop of the path leg. The search time used is the time that deviates from the specified time plus the specified walk time between the access control and boarding at most within the specified limits. Ridership data for which there is no departure time in the time interval become implausible and are not treated further. They receive status 8 (implausible: no departure at the specified time). If there is no shortest path, the ridership data becomes implausible with status 9 (implausible: no connection found).

The shortest path is always defined by the specified connection search parameters (Plausibilization of survey data: Survey path leg tab).