measure PT service quality

The transport transition aims to gradually replace the car as the primary means of transport with public transport. There are many reasons for this. As far as cars with combustion engines are concerned, these include climate protection, but also the reduction of accidents, noise, space taken up by parked cars, traffic congestion, environmental pollution from tyre wear, NOx emissions, particulate matter, high capital commitment, and so on. Unfortunately, we observe that this shift is progressing only very hesitantly, if at all. There are many reasons for this; one priority is to improve the quality of public transport services. One indicator of the relationship between public transport and other modes of transport is the so-called modal split. Despite numerous efforts by all parties involved, it has not changed significantly over the years, as the following graphs show:

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