Regulator
"Regulator" means a person authorized in accordance with established procedures to regulate traffic using signals provided for by the Rules, and directly carrying out such regulation. A regulator must be wearing uniform clothing and (or) have distinctive insignia and equipment. Regulators include police officers and personnel of military vehicle inspection units, as well as employees of road maintenance services on duty at railway crossings and ferry crossings when performing their official duties.
Source: Government Decree of the Russian Federation dated 23.10.1993 No. 1090 (as amended on 12.11.2012) "On Rules of Road Traffic" (together with "Basic Provisions on the Admission of Vehicles to Operation and the Obligations of Officials to Ensure Road Safety")