In 2026, the Moscow Metro remains one of the busiest and most efficient rapid transit systems in the world, serving an average of 7.5 to 8 million passengers every day. During peak workdays, this number can surge past 9 million. As of early 2026, the system has expanded to include 16 lines and over 300 stations, including the fully operational Bolshaya Koltsevaya (Big Circle Line), which has significantly redistributed passenger flow and reduced congestion in the city center. The introduction of the "Moskva 2026" rolling stock has also increased capacity on the busiest lines, like the Zamoskvoretskaya (Green) Line. This high ridership is supported by world-leading headways; during rush hour, trains arrive as frequently as every 90 seconds. For 2026 commuters, the metro is not just a transit system but a vital urban artery that handles more daily traffic than the London Underground and Paris Métro combined, maintaining its status as the busiest system in Europe.