Comment by larodi

interestingly you forget to mention something that was not there 20 years ago, when these trains still be running ok. all that was not so well connected with all apps, you can have a Lime calculated in your route perhaps today, which was not there. and this all IS connected with DE system of public transport, which on its own, no matter the technical underlying, is superb. and trains are lot cleaner than many other places, even those regularly servicing Berlin,