Ferrovie dello Stato Italiane a centralization policy was carried out. The board of directors and chief administrator office were abolished at the end of 1922. The institution was administered by a commissioner, appointed by the King until April 1924. Since then, Ferrovie dello Stato was managed by the newly born Ministry of Communications (including rail transport), under Costanzo Ciano. After the armistice on 8 September 1943, Italy was divided and train operations were separately directed too, with headquarters in Salerno for the south and Verona for the north. At the end of 1944, the Ministry of Communications was split and the new Ministry of
Ferrovie dello Stato Italiane Transport was created, including the general management of Ferrovie dello Stato, and in 1945, the company was renamed "Azienda Autonoma delle Ferrovie dello Stato". The period after World War II was particularly tough for Ferrovie dello Stato, since most of the Italian rail network was severely damaged and the rolling stock was obsolete. The network was rebuilt almost entirely by 1952. Since then, a period of renewal started. New trains were introduced, among them the ETR 300, and many sections of the national network were electrified and sometimes doubled. In 1957, the new ALn 442/448 multiple unit was introduced, greatly