MOSCOW, May 20 -- The Moscow Metro has reached its 90th year of operation, marking a significant milestone for one of the world's largest and longest-running urban transit systems.

Since its inauguration in 1935, the system has expanded to cover over 550 kilometres of track, with 302 stations, serving an average of 8 million passenger trips per weekday.

Maksim Liksutov, Deputy Mayor of Moscow for Transport and Industry, said, "The opening of the Metro in 1935 was a historic event for our capital and the entire country. Even then, decades ago, the workers and builders set the highest standards for passenger service. Today, in line with the goals set by Moscow Mayor Sergey Sobyanin, we continue to uphold that standard. More than 65,000 pe...