6. Perspectives and conclusions

6.1 Outlook

(This forward-looking analysis is based on the author's own experience, but some of his proposals and opinions are his own).

Let's take a look at what changes in the population need to be taken into account to improve passenger comfort, especially as the arrival of competitors will encourage differentiation in this area of comfort and service quality:

• ageing and major anthropometric changes (more frequent instances of reduced mobility, growing population). The consequence is a broadening of the railway population between an elderly woman in the 5th percentile and a young man in the 95th percentile, both in anthropometric and societal terms (digital media). This more dispersed character of passengers...