Some subways have been canceled, destroyed, buried or leased for other purposes. In 2022, Institute of Planning and Development of Prague (IPR) prepared a study of the revitalization of the Prague subways.
Some subways have undergone abandonment, demolition, entombment, or leasing for other purposes. In 2022, the Institute of Planning and Development of Prague (IPR) compiled a report on the renewal of the Prague underground.