A lot of European countries do not permit continued use of rail infrastructure while being serviced as it can be quite dangerous. [1]
Switzerland is an exception to this but it results in extremely complex infrastructure projects with of course a much higher cost and more accidents. However having the infrastructure available in many cases prevents overall economic losses due to less trains etc.
Switzerland is an exception to this but it results in extremely complex infrastructure projects with of course a much higher cost and more accidents. However having the infrastructure available in many cases prevents overall economic losses due to less trains etc.
[1] https://www.srf.ch/news/schweiz/unfaelle-mit-bauzuegen-gleis...