Based on the value calculated for the vehicle journey section, Visum internally adds all indicators along the line hierarchy. Here, internally means that the user cannot view all indicators on the vehicle journey section level. This is due to the memory which is required for the data storage). This also applies to indicators are evaluated by territory or time slice.
Image 211: Aggregation along the line hierarchy
For operators, aggregation is also carried out via the vehicle journey sections (because as an option, each vehicle journey section can be assigned an operator). For the aggregation on transport system level, the line values are added per transport system (because a transport system has to be assigned to each line).
For the service kilometers of the transport system Train in the application example, the calculation is as follows.
Image 212: Aggregation of the service kilometers from the trips onto the line
