The standard means of delivery was a 10 metre long cattle freight wagon, although third class passenger carriages were also used when the SS wanted to keep up the "resettlement to work in the East" myth, particularly in the Netherlands and in Belgium.
In total, over 1,600 trains were organised by the German Transport Ministry, and logged mainly by the Polish state railway company taken over by Germany, due to the majority of death camps being located in occupied Poland [REF].