Beijing Subway is a rapid transit rail network that serves the urban and suburban districts of Beijing municipality. The subway is the world's busiest one ,averagely delivered 10.35 million per day with peak single-day ,Now The subway network has 22 lines, 370 stations in operation and is the second longest subway system in the world after the Shanghai Metro.
The Beijing Subway Fares start at ¥3 for a trip up to 6 km in distance, with ¥1 added for the next 6 km, for every 10 km thereafter until the trip distance reaches 32 km, and for every 20 km beyond the first 32 km.Riders can look up fares by checking fare schedules posted in stations.