Polonez was launched in 1973 as a symbol of Soviet-Polish friendship and is operated jointly by the Russian and Polish Railways. The train serves the 1316 km Moscow to Warsaw route. With a top speed of 200 km/h, it completes the journey in 18 hours.

The train has 1^st Class cabins (with two lower sleeping berths) and 2^nd Class cabins (with three berths, arranged vertically). In both cases, the ticket price includes bed linens. At certain times, a VIP 1^st class car may also be available, which have private showers and toilet in each cabin as well as a TV and DVD player. Between Brest and Moscow, the train will also include a bistro car.