Moscow Metro named after. V.I. Lenin

March 1980. USSR. Moscow. Senior researcher of the All-Union Scientific Research Institute of Railway Hygiene N. D. Ovchinnikov, checking the reaction speed of the driver, the driver of the Krasnaya Presnya depot of the Moscow Metro named after V. I. Lenin N. F. Kabaev and the head of the subway hygiene department of VNIIZhG B. B. Elizarov (from left to right). The exact date of the photo is unknown. Viktor Budan/TASS