Only the events of the March Revolution of 1848 and the appointment of the banker, August von der Heydt as the Prussian Minister of Commerce and Industry—and therefore responsible for railways—led to progress on the issue.
Først de revolutionære begivenheder i 1848 og udnævnelsen af bankmanden August von der Heydt til preussisk handelsminister – og dermed til ansvarlig for jernbanerne – bragte skred i sagen.