The metro has a gauge of 1520 mm, like most Russian railways. It gets the electricity from a third rail. The metro is run on a voltage of 825V AC. The average distance between stations is 1800 m. The shortest is 300m between the stations Alexandrovskiy Sad and Arbatskaya. The longest distance between stations is 6627 m between Krylatskoe and Strogino. The long distance helps trains travelling faster and more efficient.