Beijing Subway

The Beijing Subway is the rapid transit system of Beijing Municipality that consists of 22 lines including 20 conventional track metro lines, one maglev line and one light rail line. The rail network extends 636.8 km (395.7 mi)[4] (or 628.0 km (390.2 mi) if the Xijiao light rail line were excluded) across 12 urban and suburban districts of Beijing, and has 391 stations.[a] By route length in operation, the Beijing Subway is the second longest subway system in the world after the Shanghai Metro. With 3.8484 billion trips delivered in 2018,[1] an average of 10.544 million trips per day,[1] the Beijing Subway is the world's busiest metro system. Single-day ridership set a record of 13.7538 million on July 12, 2019.