In early 1940 , a new unit was commissioned in the '' RVM '' Rail Operations Department E II : No. 21 '' '' or " Mass Transport " . It was responsible for the organization and timetables of special trains deporting Jews from Germany and the occupied territories , working closely with the SS Reich Main Security Office . Following the Wansee Conference in 1942 , transports also began running directly to the extermination camps . As a result , the '' RVM '' became responsible for a substantial part of The Holocaust and was an essential component that made its full scale possible
The Holocaust
The Holocaust
Reich Ministry of Transport