It is used on heavy coal block trains between the opencast mines at Profen and the Schkopau power plant.
Extensive opencast mining has taken place in more recent times and still continues in the area.
The Czechoslovak Army Mine (Czech: Lom Československé armády, shortened to Lom ČSA) is an opencast brown coal mine located in the North Bohemian Basin of the Czech Republic in the area known in Czech as Mostecko that lies between the city of Most and the town of Litvínov.