1944 Onwards
After the Soviet Army began making severe inroads into the Nazi land war gains in the East, and the Allies landed in Normandy in June, the number of trains and transported persons began to vary greatly.
By November 1944, with the closure of Birkenau and the advance of the Soviet Army, the death trains had ceased. Death marches also had the advantage of being able to use the forced labour to build defences.
Read more about this topic: Holocaust Train