Possibility to use a dual-drive locomotive type 111DE for passenger transport in the territory of Poland

The vast majority of passenger rail transport in Poland is carried out by vehicles powered by electric traction. In case when a train needs to pass through a non-electrified section of the line, it is necessary to use an electric traction-independent vehicle, which, translated into the current situation, means using a vehicle with an internal combustion engine. The authors propose using a dual-drive 111DE locomotive for passenger rail transport, which can move on electrified and non-electrified railway lines. The article also presents data on the railway infrastructure and statistics on passenger rail transport in Poland. Considerations and justification for the use of a dual-drive vehicle are presented.