> Poland needs to upgrade rail systems, there were plans years ago, but it was costly and postponed. Unfortunately, the radio-stop works well and it's reliable.

> Poland needs to upgrade rail systems, there were plans years ago, but it was costly and postponed. Unfortunately, the radio-stop works well and it's reliable. GSM-R wasn't really postponed, but the implementation by PKP PLK was botched. There's NIK report about that: https://www.nik.gov.pl/aktualnosci/krajowy-programu-kolejowy-systemy-ertms-etcs.html https://www.nik.gov.pl/aktualnosci/krajowy-programu-kolejowy...