Main Directorate for Traffic Safety

The Main Directorate for Traffic Safety of the Ministry of Internal Affairs of Russia, popularly known under its historical abbreviation GAI, is a federal law enforcement agency of Russia specializing in traffic policing. They are responsible for the regulation of traffic, investigating traffic accidents, and operating stop lights.

The Administration is part of the Public Security Service of the MVD. The Administration has patrol jurisdiction over all Russian highways and roads.

Source: Wikipedia