Different degrees of elaboration of a network exist. It is important to check whether a model meets the
requirements for measuring and calculating all performance characteristics of routes that are considered important.
If not, one has to modify or elaborate. In this study, we mainly focus on travel time. The model displayed in figure 1
is adequate for accurate time calculations in a multimodal transport network. This model may not be appropriate,
however, for complex fare computations. Required extensions will be considered in future research.