Vehicle registration plates of the Soviet Union

Vehicle registration plates of the Soviet Union (Russian: Регистрационные знаки транспортных средств, Registratsionnye znaki transportnykh sredstv, lit. 'Registration Plates of Vehicles') were used in the Soviet Union for registrations of automobiles, motorcycles, heavy machinery, special-use vehicles as well as construction equipment, military vehicles and trailers. The international code for the Soviet Union was - SU. Every vehicle registration plate contains a unique registration mark embossed on a metal plate or a plate made of other materials. All vehicles were required to display the plates on the front side and backside, with the exception of trailers and motorcycles, which were only required to display one on the backside.